High-endurance transparent fluted plastic handle. Micro-alloy steel shank offers maximum durability and resistance. Black tip prevents chrome particle shedding. Exceed ASME B107.600, ISO 2380-1 & ISO 8764-1 standards. Square shank allows you to use a wrench when extra-torque is needed. Tip size: 3/16”. Exposed length: 4”. Total Length: 7-3/8”.