Torque Master Tools Private Limited manufactures Swivel Handles with Head Diameter 14 to 45 mm. Torque Master Tools Private Limited is an ISO 9001:2000 certified company. The Swivel Handles with Head Diameter 14 to 45 mm is a driving tool for manually operated sockets to tighten nuts located at awkward places unapproachable by standard driving tools. It is manufactured in 1/4" [6.3mm] to 1" [25mm] square drives. The handle in 3/4" [20mm] and 1" [25mm] square drive tools is detachable from the swivel head.