9 Pair Long Steel Parallel Set 1/4 inch Thick 6 in 0.0002 in Hardened Precision Machinist Tools

Made from high quality tool steel- stress relieved against distortion, precision ground and hardened Complete with durable plastic case, it can anti-drop and anti-scratch 9-Pack steel parallel set. 3/4in to 1-3/4in gages harden steel machinist tool Each parallel is 1/4in thick x 6in long with two holes on the body Ideal for precision clamping of parts in drilling, boring, milling, grinding, assembly work