Precision ground matched pair of O1 Tool Steel 123 blocks.  Our blocks feature 1/4-20 and 3/8-16 tapped hole patterns, as well as counter bored clearance holes for 3/8" diameter socket head cap screws, to allow for plenty of mounting and fixturing options. Proudly made in the U.S.A.

Precision Ground 123 Block -Pair

  • Returns accepted up to 5 days after delivery. No returns on products that show signs of negligent/excessive use or damage by buyer. Buyer must pay S&H on returns.