630-4028 Tin Coated 1-2-3 Blocks 23 Holes matched.pair 0.0002", 5 pieces 3/8 x 16" socket head cap screws + Hex Key CAL16 B5 These heavy duty self-tightening grips

These heavy duty self-tightening grips with a capacity range of 50 lbf to 2

Two models available: cast iron base or granite base

so you can connect the signal cable from either direction

Transmitted illumination: Light source: White LED

630-4028 Tin Coated 1-2-3 Blocks 23 Holes matched.pair 0.0002", 5 pieces 3/8 x 16" socket head cap screws + Hex Key CAL16 B5 These heavy duty self-tightening gripsHeat treated and case hardened to HRC 57 62 and TiN coated for wear resistance Made of precision grade tool steel hardened and ground on all 6 sides of block Accuracy and squareness on all sides within . 0001" . 0002" 23 holes includes (5) 3 8 16 threaded holes for clamping and (18) untapped holes. Cross drilling design allows for efficient use of lower weight with maximum strength. Dimensions 1" x 2" x 3", 2. 1 lbs. weight.