M8 x 1.25 L/H HSS STI Tap, HSS Tapping Drill, 20 pcs 1.5D Stainless Steel Heli-Coil Wire Inserts. M12 x 1.75 L/H HSS STI Tap, HSS Tapping Drill, 15 pcs 1.5D Stainless Steel Heli-Coil Wire Inserts. M10 x 1.25 L/H HSS STI Tap, HSS Tapping Drill, 15 pcs 1.5D Stainless Steel Heli-Coil Wire Inserts (Motorcycle mirror LH Thread).