Steel & Rubber Bench Blocks Size:4 inch A 1/16" thick backing of

A 1/16" thick backing of solid rubber contains magnetized iron particles so the laps will adhere to a cast iron

When the work piece is ground flat and satin smooth

The weight of the rocks and materials varies

To use this polish

These kits contain OEM replacement parts including:

Steel & Rubber Bench Blocks Size:4 inch A 1/16" thick backing ofVersatile bench block ideal for all your stamping and dapping needs at the jewelry bench. A reversible bench block sits inside a tapered rubber base which grips your bench, with convenient finger slots to lift the steel block out of the base with ease. A block with hard vulcanized rubber is excellent when a softer surface is needed. Flip it over to reveal the hardened steel block for flattening, chasing and stamping. Selection 2 1 2 inch square block