Atoplee 1pc Right Angle Drills 105&deg;Angle Extension 1/4 inch 6mm Hex Drill Bit Screwdriver Socket Holder Adaptor Material: stainless ;steel Color: Silver Diameter of the screwdriver: 6.35mm. Diameter of connector: 2.2cm;Length of either side: 2.8cm. Suitable screwdriver: 1/4" hex screwdriver Package Included: 1pc Turning Head Screwdriver