Disclaimer & Liability

Please read this before applying any technique, setting, or workflow from this guide to a customer's part, especially firearms, jewelry, family heirlooms, knives, or any irreversible work.

What this means in practice

• Settings are starting points, not guarantees. Always run a 3×3 test grid on scrap or hidden areas before committing to a customer-supplied or one-off part.
• Following any technique here is at your own risk. A "verified setting" working for someone else's machine is not a guarantee it will work on yours.
• Customer-supplied items (firearms, knives, jewelry, family heirlooms, signed memorabilia) cannot be replaced if engraving goes wrong. Always assume risk and communicate with the customer in writing before engraving.
• Engraving is permanent. Polymer that melts, hardened steel that warps, plated metals that lose plating, these are permanent damage. There's no "undo."

Especially for firearms

• Firearms cannot be redone if you make a mistake. A melted Glock frame, a deep-engraved area on a 1911 slide that compromises the metal, an over-aggressive stipple, these ruin the part. Customer's $700-1500 firearm becomes a paperweight.
• Always test on scrap or hidden areas first for any setting you haven't proven on that exact substrate.
• Get signed liability releases from every firearm-engraving customer BEFORE work begins. Document pre-existing damage with photos.
• Federal and state laws vary on firearm engraving, FFL requirements, and what alterations are legal. This guide does not provide legal advice. Consult a qualified attorney in your jurisdiction.
• Never engrave on or alter a manufacturer's serial number: federal crime in the US.
• Suppressors, NFA items require Type 07 FFL with SOT. Don't take possession without proper paperwork.

Especially for irreversible / one-off work

The following work cannot be redone if you ruin the substrate:

• Customer-supplied firearms, knives, watches, jewelry
• Family heirlooms (engraved silverware, signed sports memorabilia, antique items)
• Memorial pieces with engraved names + dates, spelling errors are devastating
• Wedding pieces with names and dates, date mistakes destroy the piece
• One-of-a-kind challenge coins with custom imagery
• Custom commissioned art at scale

Before any of these jobs:

1. Run test grids on a substitute material with similar properties.
2. Test on hidden / unobtrusive areas of the actual customer part.
3. Get a signed proof approval from the customer (email is fine, save it).
4. Get a signed liability release.
5. Photograph the part BEFORE engraving. Documents pre-existing damage.
6. Confirm spelling, dates, layout in writing TWICE.

What we are NOT liable for

• Damaged customer parts (firearms, knives, jewelry, heirlooms, etc.) resulting from following any technique on this site.
• Failed engraves, ruined materials, melted polymers, warped metals.
• Eye injuries, fume inhalation, fire damage, or property damage from operating any laser equipment.
• Legal consequences in any jurisdiction for engraving any item.
• Tax, accounting, or business-formation outcomes from following business advice on this site.
• Customer disputes over engraved work.
• Lost revenue from following pricing or marketing recommendations.
• Any direct, indirect, incidental, special, consequential, or punitive damages of any kind.

Safety is YOUR responsibility

• Wear OD 5+ laser safety glasses rated for your specific laser wavelength every time the laser is keyed on.
• Run fume extraction throughout every job + 60 seconds after.
• Never run a laser unattended.
• Have an ABC or CO2 fire extinguisher within arm's reach (Class C alone is electrical-only).
• Never engrave PVC, vinyl, polycarbonate, or unknown materials.
• Verify your machine's specific safety procedures from the manufacturer's manual.

Material identification is YOUR responsibility

If you can't confirm a material is laser-safe. Don't engrave it. Some materials release toxic fumes (chlorine from PVC, hexavalent chromium from chrome-tanned leather) that damage your laser optics and your lungs. Material identification responsibility lies entirely with the operator.

Settings, brand, and pricing recommendations

• Settings are based on community testing and personal experience with specific source brands and wattages. Your machine WILL behave differently. Always test before production.
• Brand and product recommendations are not endorsements; we have no commercial relationship with any manufacturer or vendor mentioned. Listings reflect community usage and may go out of date.
• Pricing recommendations are starting points based on US 2026 mid-tier shop economics. Your market, costs, and competition will differ.

YouTube channel listings

Channel directory entries reflect public community recommendations at time of compilation. Channels rebrand, become inactive, or change focus. We make no guarantee that a linked channel still posts active or relevant content. Verify before subscribing or following advice.

External links

This guide includes external links to brand websites, suppliers, and software tools. We are not responsible for the content, accuracy, security, or availability of external sites. Click at your own risk.

Trademarks & copyright

• Brand names mentioned (Glock, OMTech, Thunder Laser, xTool, ComMarker, Lightburn, etc.) are trademarks of their respective owners.
• Customer designs and trademarked content (logos, characters, brand identifiers) require proper licensing, engraving someone else's trademark is your legal responsibility.
• This guide does not encourage or endorse trademark or copyright infringement.

Updates and accuracy

Information on this site is updated periodically. We do not warrant that the content is current, complete, or accurate at the time you read it. Manufacturers update product lines, software updates change behaviors, regulations change. Verify against current manufacturer documentation and current law for any production decision.

By using this site you agree:

• You are an adult capable of operating laser equipment safely.
• You will follow all manufacturer safety guidelines for your specific machine.
• You will run test grids before applying any setting to a production part.
• You will not hold KERF, Kinetic Carving, or any contributor liable for any damages, losses, or consequences arising from use of the information on this site.
• You will consult licensed professionals (attorneys, accountants, insurance agents, FFL specialists) for any decisions where their expertise applies.

Customer liability release: minimum elements

Several modules in this guide recommend obtaining a signed customer liability release before performing irreversible work on customer-supplied property (firearms, knives, premium plaques, etc.). This site does not provide a release-form template, release-form requirements vary by state, and an attorney-drafted form for your jurisdiction is the only safe path. Below is a non-exhaustive list of elements that a release form typically includes; use this as a checklist when working with your attorney to draft yours.

• Identification of parties. Your business name and the customer's full legal name + contact info.
• Description of the item with serial numbers (firearms), make/model, customer's stated value, and photos taken before work begins.
• Description of the scope of work: what specifically you are engraving, with what design, on what surface, with what process. Reference the customer-approved proof.
• Acknowledgment of risk of total loss: explicit language that the customer accepts the risk that the work may not meet expectations or may render the part unusable, and that they have agreed to proceed knowing this.
• Hold-harmless / indemnification language: the customer releases your business from claims arising from the work, except for gross negligence or willful misconduct.
• Limitation of remedy: typically limiting any potential recovery to the price paid for the engrave service, not the value of the part.
• Acknowledgment of legality: for firearms work specifically, customer affirms the work is legal in their jurisdiction and that they are legally permitted to possess the firearm.
• Choice of law and venue: what state's law governs and where any dispute would be heard. Many small businesses include a binding arbitration clause; consult your attorney.
• Signature block with date.

Site operator note before publishing: insert the state of operation in the choice-of-law sentence below, leaving it blank renders the clause unenforceable. Consider adding an arbitration / venue clause (e.g., "any dispute shall be resolved by binding arbitration in [city, state]") after attorney review. This disclaimer is governed by the laws of the State of operation as set forth in the site operator's terms of service. If any provision of this disclaimer is found unenforceable, the remaining provisions remain in effect. Last updated: 2026.

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