Accuracy with Squareness on all sides within .0001 per inch
Hardened and precision Ground on all 6 sides of each block; Includes Matched pair of 1-2-3 blocks with 23 holes, 5pc of 3/8 -16 Socket Screws, Hex key
Made in China
Model number: 3402-0055
Description
Heat treated and case hardened to HRC 55 to 60. Hardened and precision Ground on all 6 sides of each block. Accuracy with squareness on all sides within .0002" per inch. 23 holes consists of 5 tapped holes that are 3/8"-16 for clamping and 18 untapped holes. Cross drilling design gives minimum weight and maximum strength.