Thermo-Loc | GRS Item #003-699
Thermo-Loc® Form Block

Use this two-sided Thermo-Loc Form Block to create custom workholding fixtures that allow flexibility in a holder. For items such as pendants or tags, create fixed holders using the smaller slots. For longer items such as bracelets, make flexible hinged holders easily with the longer slot and divider. These custom workholding fixtures will work with most engraving blocks and vises.

33 available (can be backordered)


  • Provides a variety of slot sizes for different work sizes
  • Fixtures will work with most blocks and vises
  • Easily allows users to make custom Thermo-loc workholding fixtures


0.75 lbs

Manuals & Docs

Thermo-Loc Form Block Instructions

How to use the Thermo-Loc Form Block for easy workholding. Product(s): 003-699 — For Postal Mail, Request Document: LIT-312

Download PDF / View PDF

Thermo-Loc Handle Instructions

How to install tools with the Thermo-Loc Handle. Product(s): 003-699 — For Postal Mail, Request Document: LIT-188

Download PDF / View PDF


California residents see Prop 65 WARNINGS
WARNING - California Proposition 65


Build my bench.

New to engraving or stonesetting? Use our custom tool to discover more about the hand engraving tools you’ll be using in your new craft.

Get started