Manufacturers selling real quality assurance warranty service at this price for a wrench and drill Chuck price

厂家直销 实物拍摄 质量保证 三包服务 此价格为扳手和钻夹头一套价格    

Collet Chuck card this product is quenched hardness increased mouth without quenching workpieces in drill Chuck is easy to wear such a concentric workpiece clamping also appeared less gap reduced service life. I plant products by quenchinghardness of around 42 very well avoid these problems greatly improves the service life of the product. This product is a whole 45th steel heavy duty wrench drill Chuck.