E Z Coil Kit Economy 7 8" 9 X 2D Unc Helicoil Thread Repair Insize Metric Fine Thread Ring Gauge M30 x 1.5 Class 6g GO Series 4129 30R vertical align:top} Quality Designation Measurement System 1 2 & 3 4″ Heavy Duty Block and Pin Flaring Tool vertical align:top} Quality Designation Measurement System Metric Clamping method of insert Dimple Lock Category External Turning Connection Style Square Shank Back End Size 32x32 Holder Style 95° Insert Shape W Reuleaux triangle (80°) Clearance angle Negative Hand Left Coolant No Insert Code Quantity of Leaves: 22 The E Z Coil Kit Economy 7 8" 9 X 2D UNC offers a reliable and cost effective solution for repairing damaged threads in soft materials while the STI tap guarantees precise thread cutting