Master Adjustable Jaw Boring Ring TL Type for 8", 10", and 12" dia. 3 Jaw Chucks

Master Adjustable Jaw Boring Ring 3-Jaw TL Type   Features : Quickly bore jaws in a single operation with no plugs or rings Suitable for CNC lathes Easy to attach. No tools needed  Jaws are bored at same clamping diameter used to hold part for higher accuracy  Cover chuck sizes - 8", 10", and 12" diameter 3 jaw chucks Master Adjustable Jaw Boring Rings TL Type Dimensions : (see Dimension Illustration) Matching Chuck Size : 8", 10", 12" A dia : 160 mm (6.30 inch) B dia : 248 mm (9.76 inch) C   : 31 mm (1.22 inch) D : 18.3 mm (0.72 inch) E : 8 mm (0.31 inch) F : 24 mm (0.94 inch) G : 80 mm (3.15 inch) Jaw Stroke Each : 8.5 each Max Grip Force : 1,750 kgs (3,850 lbs) Weight : 10.1 kg (22.27 lbs) Operation Process :      1. Set the jaw to the correct position      2. Adjust the Jaw Boring Fixtures to fit the bolt holes, and turn opposite direction of                  the chuck clamping force      3. Lock the chuck to clamp the Jaw Boring Fixtures.      4. Machining the required size      5. Unlock the chuck and remove the Jaw Boring Fixtures