Faithfull Ball Ended T-Handle Hexagon Keys are ideal for repeated use and when more leverage is required. These chrome vanadium hexagon keys feature comfortable to use, soft grip T-handles, with one ball ended long arm and one standard hex short arm. This Faithfull Ball Ended T-Handle Hexagon Key has the following specification: Size: 3mm. Blade Length: 100mm. Overall Length: 149mm.