ROSNEK M12 1 4" Hex Square Nut Drive Bit Set Metric Square Socket Adapter Impact Drill Bar Wrench Extension

ROSNEK M12 1/4" Hex Square Nut Drive Bit Set Metric Square Socket Adapter Impact Drill Bar Wrench Extension Feature 1. The bell-shape and hex insert allow the bit to hold the bit securely in place for quicker installations. 2. Made from Heat-Treated Hardened Chrome Vanadium (Cr-V) Steel to ensure a long lifetime through tough torque jobs without breaking or rusting – Heavy Duty Construction to be compatible with the most powerful impact guns. 3. Used in manufacturing assembly systems and others. 4. Designed for 1/4" hex shank impact extension screwdriver Drill Bit Holder. Specification Material?Hardened Chrome Vanadium Inner Diameter: 12mm Length: 65mm Type: Square to Hex Package 1*Square Impact Socket Adapter