Features 1、Repair damaged threads. 2、Includes 110 wire thread inserts. 3、High impact metal case. 4、Suitable for threads on the engine and plug wires on the cylinder head. 5、Threaded inserts for any size, everything comes complete in an affordable storage container. Specification With the 131pcs thread repair kit, damaged or closed threads can be easily repaired. Metal material, the tools are High quality to use. Features: Repair damaged threads. Includes 110 wire thread inserts. High impact metal case. Suitable for threads on the engine and plug wires on the cylinder head. Threaded inserts for any size, everything comes complete in an affordable storage container. Specifications: Material: Metal 110Pcs Wire Thread Inserts: M5 (25PCS): M5 x 0.8 x 6.7mm M6 (25PCS): M6 x 1.0 x 8.0mm Metric8 (25PCS): Metric8 x 1.25 x 10.8mm Metric10 (25PCS): Metric10 x 1.5 x 13.5mm M12 (10PCS): M12 x 1.75 x 16.3mm Package Weight: 2200g / 77.6ounces Package Size: 375 * 170 * 30mm / 14.76 * 6.69 * 1.18in Packing List: 5 * Twist Drill Bits 5 * Break Pin Tools 5 * Installation Tools 1 * Hex Key 5 * Taps 110 * Wire Thread Inserts 1 * Storage Case Package List 5 * Twist Drill Bits 5 * Break Pin Tools 5 * Installation Tools 1 * Hex Key 5 * Taps 110 * Wire Thread Inserts 1 * Storage Case