2PCS HEAVY DUTY 1-2-3 Blocks 0.0001" Precision Ground 23 Holes set MATCHED Machinist AU

Specification：

• Condition:100% Brand New & High Quality
• Size: approx. 2.5*5*7.5 cm/ 1*2*3"(L*W*H)
• Fitment: For Hardened and precision ground 1" x 2" x 3" Block Set. This matched pair of blocks is ground to tolerances of .0001". 23 holes
• Height accuracy is 0.0001", Parallelism accuracy is 0.0001".
• Hardness HRC 57-62
• 23 holes includes (5) 3/8-16 threaded holes for clamping and (18) untapped holes
• Color: Silver
• Material: Hardened steel

Package:

• 1x 1” x 2” x 3” blocks +5x 3/8-16 stainless steel socket head cap screws +a hex key