OXA #4 Quick Change CNC Lathe Tool Post Dimension: 2-1/8 in L x 1-3/8 in W x 2-1/8 in H *Rough Estimation* Weight: 14 Ounce *Rough Estimation* Versatile Holder For Turning And Facing As Well As Knurling Up To 8 Inch Capacity Tool Bit For Lathe Swing Piston Type Or Wedge Type Tool Post Sets Boring Shank: 3/8 Inch And 1/2 Inch OXA Tool Post #4 Type 004 Qty: 1 Light Item