Acrylic Centering Gauge for Multi-Shapes Watch Batteries & Tools When the design is complete

When the design is complete

they can be mounted in a bench vise for enhanced stability

This cutter is ideal for general-purpose inside engraving on all metals

The 8" (203mm) throat depth is ideal for fine work on small pieces

25mm lab-grown pink sapphire faceted gemstones create a heart shape in the center of the pendant

Acrylic Centering Gauge for Multi-Shapes Watch Batteries & Tools When the design is completeWith this clear yellow acrylic gauge, you can find the exact center of multiple shapesround, square, hexagon and octagonin just seconds. Accommodates circles, squares and octagons up to 8" across and hexagons up to 5 3 4" across. The opening for marking is shaped to give you a smooth and secure hold on the gauge while ensuring that the correct edge is used to mark your center lines.