20Pcs Metric Thread Repair Kit Helicoil Insert M5 M6 M8 M10 M12 M14 with Car Pro Coil Tool for 1.0mm Pitch Features： 1、This thread repair kit is the solution to a damaged or stripped tapped hole. 2、Suitable for M5, M6, M8, M10 and M12, creates a stronger internal thread in soft metals and protects tapped threads against wear and damage. 3、This repair kit includes insert installations, wire thread inserts, twist drill bits, thread taps, lug breaking tools. 4、With package case, convenient to store and carry, you can easy and fast to collect and take out. 5、Made of quality material, reliable and durable for a long time use. Specification： Features: This thread repair kit is the solution to a damaged or stripped tapped hole. Suitable for M10, creates a stronger internal thread in soft metals and protects tapped threads against wear and damage. This repair kit includes insert installations, wire thread inserts, twist drill bits, thread taps, lug breaking tools. With package case, convenient to store and carry, you can easy and fast to collect and take out. Made of quality material, reliable and durable for a long time use. Specification: Material: Steel Color: Silver Thread Quantity: 15 Package Size: 18 * 12 * 3cm / 7.09 * 4.72 * 1.18in Package Weight: 360g Package List: 1 * Metric Thread Repair Insert Kit ( as the picture show ) Package List： 1 * Metric Thread Repair Insert Kit ( as the picture show )