Specifications: 30pcs thread repair kit including 25 wire thread inserts. Perfect for restoring damaged threads, suitable for engine repair and other automotive. Applications for steel, cast iron and aluminum. Can be used in daily repair, car repair, drilling machine, etc. Made of high quality material, sturdy and durable in use. Item Name: Metric Thread Repair Tool Material: High-speed Steel Features: Repair Tool, Durable, M5/M6/M8 Metric Thread Removal Tool Length: 18cm/7.09" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 25 x Thread Inserts 1 x Removal Tool 1 x Installation Tool 1 x Wrench 1 x Thread Tap 1 x Drill Bit