Indexable Boring Bar Insert Shape 55 Degrees Diamond Overall Length 12 in A20T-DDUNL4 93 Degrees 1 in AP304-DN15 Shim FS1461 Screw FS1465 Torx Key FS1470 Pressure Spring FS1473 Clamp Screw PK241 Clamp RS117 Pin Coolant Through Facing Interrupted Cuts Profiling Turning Left Hand