Quick-Release Hexagon Drill Bit Coupling Quick Connect Rod Drill Bit Extension

Features: The interface has a one - hand quick - release locking mechanism. Press the release ejection bit for quick replacement in one second. The quick-release design allows you to easily and quickly install, lock, and unlock the bit, greatly increasing productivity. Made of high quality iron, with high strength and hardness, non-slip, large torque, long-term durability. Hexagon shank can be used for power drill chuck, impact drill, electric drill and hand drill. It is used to convert and expand tools such as screwdriver heads, drills, batch heads, and sleeves. Specification: 100% brand new with high quality Type: A/B/C(Optional) Size: 60mm/150mm Material: Alloy, iron, rubber protective cover Hexagon hole diameter: 6.35mm Hex shank diameter: 6.3mm Package Included:(Optional) 1pc/2pcs Quick-release Hexagon Drill Bit Coupling Note: The colors may be a little difference for the different monitor display. Please check as much as possible to make sure the item is the one that you need. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)