TAIKI 3 PIECE JAW T-NUT SET FOR 12 B-TYPE CHUCK (3900-4791)

3 Piece Jaw T-Nut Set for 12" B-Type Chucks Heel Height M is 0.531 Groove Width D is 0.709(18mm) Screw Size is M14 X 40 Hole Space F is 1.181 Nut Height B is 1.319 Nut Width A is 1.043 Nut Length C is 2.185 Screw Item# is 3900-4800 Taiki # TB12 Shipping Weight: 2 lbs