ITEM NAME:Right Angle 1/4 inch Drill Extension Shank Driver Drill Bit Socket Holder.1 x 90 degree angle Drills Extension Shank. Built-in strong magnet for good holding power, accepts all 1/4" standard hexagon shank bits. It can be connected to the drill, electric drill or hand-held wrench and reaches to the inaccessible narrow space to twist screws and nuts.