Multifunctional M7/M8 Keyless Drill Chuck Rotary Tool 4-Types Optional Chucks Adapter Universal Mini Mandrel Converter Description: 100% brand new and high quality Features: Allow you to quickly and easily change accessory bits. Corded Rotary Tools without changing collets. It accepts all accessory bits with 1/32 and 1/8 shanks. Eliminates need to change collets when swapping between bit sizes. Twist-to-tighten/loosen with heavily-knurled grip means no wrench or key needed. Heat treated & tempered high-carbon steel for durability, rust-resistant black oxide finish. Specification: Type: Drill Chuck Material: Alloy Features: Keyless Drill Chuck, Multifunctional, Rotary Tool, Chucks Adapter, Universal Mini, Mandrel Converter Dimension: S: app.1.4x1.8cm/0.55x0.71in L: app.1.5x2.4cm/0.59x0.94in Color: Black Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Drill Chuck