Conversion Head: Support Multiple Devices, Hand-Held Electric Drill, Impact Drill, Lithium Electric Drill. Meet Your Different Needs.This Product Is Only A Conversion Kit That Does Not Include An Electric Drill, You Need To Bring Your Own Electric Drill Quick Chuck Change: Quickly Install The Chuck Without Tools, Which Is Convenient And Fast. Transmission System: The High Hardness Drive Shaft Is Combined With High Hardness Bearings, Doubling The Endurance And Durability. Protective Baffle: Prevent Hands From Being Scratched By Splashes, Protect Safety And Use It More Safely. Drop-Resistant And Durable: High-Strength Anti-Drop Structure Shell, Precision Processing And Casting, Strong And Durable. The Auxiliary Handle Can Also Be Disassembled, And The Threaded Design Is Convenient For Disassembly And Assembly To Create A Comfortable Handle.