GRS 003-773 MicroBlock XL without Attachment Set BenchMates & Accessories portable work center designed for

portable work center designed for forming

rub a known gold testing needle or verified gold sample alongside the test item's rubbing

making this set both durable and economical over years of professional use

and fine metalsmithing fabrication

Maintain hammer faces to keep strike marks consistent

GRS 003-773 MicroBlock XL without Attachment Set BenchMates & Accessories portable work center designed forThe GRS MicroBlock XL is an expanded, heavier version of the original MicroBlock vise, designed to fill the gap between the GRS MicroBlock and the GRS Standard Block. Weighing 7 lb (3. 18 kg) with a 100 mm ball diameter roughly the size of a softball it delivers the mass needed for hard hitting engraving work while remaining compact and maneuverable enough for precise, delicate control. Its low profile makes it well suited for use under a microscope,