Specification: Quick Change Tool Post Category: Quick Change Tool Post Sets Quick Change Tool Post Series: BXA Lathe Swing: 10-15 Quick Change Tool Post Type: Piston Number Of Pieces: 6 Hex Key Size: 3/16 Set Screw Thread Size: M10×19 Weight: 23 lbs. Quick Change Tool Post Set Piston BXA 250-200 3/16Inch Hex Key M10×19 Thread. Description: Advanced design provides built in quick tool changing versatility with positive rigidity to meet the most exacting working tolerances. All working parts hardened and precision ground. Maximum rigidity for chatter free performance. Takes ...