Thread Repair Insert Welcome to buy newest and high quality thread repair inserts at best price with GSR-Threads Tools, which is one of the leading manufacturers and suppliers of thread repair inserts in China. Equipped with a productive factory and hundreds of experienced personnel, we also offer wholesale service. *Product Name: Thread Inserts *Material: 304 Stainless Steel *Normal Version: 1.0d,1.5d,2.0d,2.5d *Metric,Inch availableTool Holder website:http://www.gsrthreading.com/tool-holder/