The Apex KD80663 GearWrench 1/2-Inch Drive Hex Bit Socket 17mm is a must-have tool for any mechanic or car enthusiast. This socket has a hex bit that is 17mm in diameter, which makes it perfect for tightening or removing screws and bolts. The GearWrench 1/2-Inch Drive Hex Bit Socket is also made from durable metal, which means it will last for years. The Apex KD80663 GearWrench 1/2-Inch Drive Hex Bit Socket 17mm is a must-have tool for any mechanic or car enthusiast. This socket has a hex bit that is 17mm in diameter, which makes it perfect for tightening or removing screws and bolts. The GearWrench 1/2-Inch Drive Hex Bit Socket is also made from durable metal, which means it will last for years.