Features and Benefits:�Adapts sockets to power drills and drivers�Detent ball for secure socket retention�Magnetic hex bit holder fits standard 1/4 inch hex bits�Durable heat-treated chrome vanadium steel construction�Corrosion-resistant black phosphate finish�1/4-Inch hex shanks�1/4 in. Square drive socket adapter, overall length: 2.6 in. (65 mm)�Set includes: 3/8 in. Square drive socket adapter, overall length: 2.6 in. (65 mm), 1/2 in. Square drive socket adapter, overall length: 2.8 in. (72 mm), 1/4 in. Hex drive magnetic Bit holder, overall length: 2.4 in. (60 mm)Adapts sockets to power drills and driversDetent ball for secure socket retentionMagnetic hex bit holder fits standard 1/4 inch hex bitsDurable heat-treated chrome vanadium steel construction Corrosion-resistant black phosphate finish1/4-Inch hex shanks