Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si [Pivoting Drill Bit]Designed with a , allowing to flex up to 20 degrees for either straight or angled driving. Effectively prevents breakage. [No More Limitation]Perfectly pivots to fit spaces and corners. [Magnetic Lock]Engineered with a strong permanent neodymium magnet for fastener retention - minimizes and reduces wobbling! Simply the sleeve forward to release the bit. [Premium Material]Made of engineered steel for maximum strength and flexibility. Qualified for cordless impact tools up to 2000 In/ of . [Universal]Designed for use in Impact Drivers and Wrenches. Used for Extending all kinds of screwdriver , drill, batch head, screwdriver head, etc. Length: 87mm Bit Tip Holder: 1/4inch Pivot : 20 Built-in magnetism with high- capabilities color:Black Material:steel Package Contents: 2 x - batch head extension rod Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.