Features｣ｺ<br />1. This shaft can be used for general formula hand drill chuck｣ｬalso  can be used for electric screwdriver screwdriver (jig 1/4) use.<br />2. Shaft head can be mounted hexagonal shank (1/4 shank) the first batch｣ｬ<br />3. Mainly for environmental work computer chassis｣ｬ electrical cabinets｣ｬ furniture｣ｬ electrical appliances and so narrow space screwdriver does not work<br /><br />Specification｣ｺ<br />1. Color｣ｺblack<br />2. Weight:74g<br />3. Material｣ｺplastic + metal<br />4. Hex shank drill connecting portion size ｣ｺ6.35mm (1/4)<br />5. Intra connection Hexagon site size｣ｺ 6.35mm (1/4)<br /><br />Package included｣ｺ<br />1 X Drill Connector<br /><br />Please  be noted｣ｬ shaft ONLY｣ｬ the price is without drill｣ｬ drill only for reference!!!