SPI 3-Point Hole Mike 11.0 – 12.0" X 0.0002" Graduation 21-928-7
SPI 3-Point Hole Mike 11.0 – 12.0″ X 0.0002″ Graduation 21-928-7. SPI 11/16″ Standard Pre-Set Torque Tapping Adapter #74-258-5. 3-Point Hole Mike. Thimble Type Ratchet Stop. R8 Collet Set: 12 Pc, 1/16 to 7/8″ Cap.