Workholding Accessories | GRS Item #003-520
520 Attachment Set

With a variety of pins that fit the upper jaw plates of every GRS Block, users can now instantly solve workholding problems and start working sooner. Includes 4 one-half Thermo-Loc sticks, 8 small pins, 4 flat square pins, 2 rectangular inset-curve pins, 4 thick round inset pins, 8 rubber-coated pins, and 2 leather-faced ring clamp pins in molded base.

80 available (can be backordered)


  • Solves workholding problems quickly
  • 30 pieces
  • Includes a variety of pins for upper jaw plates on GRS blocks


0.9 lbs

Manuals & Docs

Accessories List for Ball Vises

List of accessories for GRS vises, including the 30-piece attachment set, inside ring holder, and more. Product(s): 003-520 — For Postal Mail, Request Document: LIT-142

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520 Attachment Set (Black Rubberized) Instructions

Instructions and parts list for the Black Rubberized 30-Piece Attachment Set. Product(s): 003-520 — For Postal Mail, Request Document: 003-062

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Safety Data Sheets

Safety Data Sheet: Thermo-Loc

Safety Data Sheet for Thermo-Loc. Product(s): 003-520, 003-664, 003-665, 003-666, 003-667, 003-679, 004-800, 003-520MPV, 003-522, 003-531, 003-684, 003-683, 003-685, 003-698, 006-510, 006-510-LJ, 006-520, 006-521, 003-684 — For Postal Mail, Request Document: LIT-SDS-003

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