GRS 004-660 Small Pitch Cup with Black Pitch Components Two-tone and repair work: Ideal

Two-tone and repair work: Ideal for localizing rhodium to prongs

or heat- and chemical-sensitive materials

which uses a simple flip-lever mechanism to open and close the collet chuck

This second-generation model delivers 35% higher maximum power and welds 4× faster than its predecessor

Second Cut (marked 2) — medium tooth coarseness for general machinist work

GRS 004-660 Small Pitch Cup with Black Pitch Components Two-tone and repair work: IdealThe GRS Small Pitch Cup with Black Pitch is designed to fit the GRS BenchMate, GRS engraving blocks, and the GRS Multi Purpose Vise. Filled with a black pitch that softens when heated, the cup gently grips and supports irregularly shaped workpieces making it an essential holding solution for engravers and stone setters working with unusual or delicate parts. The black pitch used in this cup is an asphaltum or bitumen based formulation not natural