ITEM NAME:30PCS M5 Metric Thread Repair Insert Coil Helicoil For for Automotive Repair Descriptio n Specification: Material: carbon steel Color: color Handle size: 55*20mm/2.16*0.78" Features: Brand new and high quality. Ideal for restoring damaged threads, suitable for engine repair and other automotive. Can be used in daily repair, car repair, drilling machine, etc. Made of high quality material, sturdy and durable in use. Product list: 30PCS set of thread repair tools Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ 30PCS thread repair tool.Product list: 30PCS set of thread repair tools. 30PCS thread repair tool. We'd like to settle any problem in a friendly manner. Can be used in daily repair, car repair, drilling machine, etc. We want to make sure you are happy with our item.