Accusize Ca Boring, Turning and Facing Quick Change Tool Post Holder, 1'' Max Hold, Style No 2, 0250-0402

V-groove design at the bottom to adapt round shank boring bars. Also for all other external turning bits holding. All contact surfaces are fully ground to eliminate chatters or vibration. Lathe Swing: 14- 20'', CA Quick Change Tool Post Sets (USA STYLE). Made of steel. Style 2: Boring Turing & Facing A: 1-11/16'', B: 1'', C: 3/4'', D: 2-1/2'' Shank: 13/16''