Insize INJO116 1-16mm B18 Precision Keyless Drill Chuck BD25-Hand Tools Tamper proof Torx is similar

Tamper proof Torx is similar to standard Torx

Heavy duty dual return springs for easy returns and resets

with substantial operation cost savings and exceeds 65% benefits in environment protection

allowing you to switch between sockets and bits with ease

chrome plated carbon steel

Insize INJO116 1-16mm B18 Precision Keyless Drill Chuck BD25-Hand Tools Tamper proof Torx is similarInsize Industrial grade B16 precision keyless drill chucks are manufactured from the highest quality materials to the highest specifications. Insize Precision keyless drill chucks are manufactured to a true running accuracy of <0. 05mm which in comparison is the same size as a human hair follicle. The knurled self tightening feature on these chucks automatically increases gripping pressure proportional to the increase which prevents tool shank