GRS 003-773 MicroBlock XL without Attachment Set BenchMates & Accessories making this set both durable

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

scratch-free grip

making them ideal for creating necklaces

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

GRS 003-773 MicroBlock XL without Attachment Set BenchMates & Accessories making this set both durableThe 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,