
This GRS® 520 accessory kit accommodates most GRS® microblock ball vises and provides a variety of tools and components that are designed to enhance the efficiency of the block. The components of this 30-piece kit securely hold workpieces while you engrave them. Pins and plates allow you to set up any workpiece in the precise configuration you need; creatively used, you can create a wide variety of set-ups to accommodate pieces of almost any size or shape. All components are organized in an easily accessible organizer tray made of high-impact plastic molded to accommodate each component. The kit contains:
8 small pins
4 flat square pins
4 thick round inset pins
8 round rubber-coated pins
2 rectangular inset-curve plates
2 leather-faced ring clamp plates
4 3" Thermo-Loc® sticks
Thermo-Loc® is a special reusable polymer fixturing compound that's rigid at room temperature and becomes pliable when warmed. It is ideal for holding irregularly shaped or fragile items. Its medium-gray color helps reduce eye strain under work lights. The material is non-toxic and biodegradable.