KYOCERA Indexable Turning Insert Holder, Imperial, Series: DDJN-JCT, DDJN Tool Holder, 4-1/2 in Overall Length, Common Shank, 3/4 in W x 3/4 in H Shank, Insert Compatibility: DNMG43…/DNMX43…/DNGG43…/DNGA43…/DNMM43…, 3/16 in Insert Seat, Left Hand Cutting Direction, 1/2 in Inscribed Circle, 1 in Back of Bar to Cutting Edge, 93 deg Lead Angle, 1.456 in Head Length, ANSI Code: DDJNL124BJCT, ISO Code: DDJNL12-4BJCT, Negative Rake, Steel