Features: Effortless quick changes mechanism allows seamless water drill bit replacement within seconds, saving valuable time and boosting productivity while eliminating traditional disassembly hassles. Engineered with a hexagonal ball locking systems and high grade alloy steel construction, this M22 threaded adapter ensures wobble resistant drilling accuracy and enhanced durability through anti corrosions coating. Ideal for professional contractors and craft enthusiasts requiring efficient performances in heavy duty drilling tasks across construction sites or home renovation projects. Perfect for installing plumbing systems, creating ventilation holes, or mounting fixtures where stable power tool operations with handheld/bench drills is critical. The ergonomic anti slip handle design prioritizes user safety during prolonged operations, while its generic compatibility makes it indispensable for multi device drilling workflows. Specifications: Component:Metal Size: Male connector: 70x30mm/2.75x1.18inches, Female connector: 80x45mm/3.15x1.77inches Package Includes: 1Set Quick Changing Water Drill Bit Adapter note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!