GRS® MicroBlock® XL with GRS® 520 Accessory Kit
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Estimated in Stock: 12/15/2020


This GRS® combination set delivers the convenience of both the GRS MicroBlock® XL and the GRS 520 accessory set.

GRS® MicroBlock® XL offers a low profile that's ideal for use with a microscope, and a smooth self-centering jaw system and is perfect for precision work, such as fine detailed engraving and stone-setting. The MicroBlock XL features an internal brake system that ensures a strong, steady grip as you work—adjust it for the exact amount of rotational resistance each job requires, from completely free to completely locked. The vise is machined from solid stainless steel and finished with a special low-glare treatment to reduce eye strain. The MicroBlock XL system includes a Thermo-Loc® sample kit with two 6" sticks of the material (more on Thermo-Loc below), and a 14-piece set-up accessory kit with four pins, two bases (one rubber, one plastic to provide increased control), two Allen wrenches and six screws.

The GRS® 520 accessory kit provides a variety of tools and components that are designed to enhance the efficiency of the MicroBlock XL. 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.

  • Brand : GRS
  • Country of origin : United States
Additional Specifications:
  • Block weight: 7 lbs
    Ball diameter: 3-15/16" (100mm)
    Jaw width: 1-13/16" (46mm)
    Jaw height: 7/8" (22mm)
    Max. jaw opening: 2-3/4" (70mm)

Catalog page: 2020-2021 Tools and Equipment Catalog p.303