Suitable for the removal of broken studs and bolts. Left-hand tapered spiral design, tightens into pre-drilled stud/bolt as more torque is applied. Supplied on socket rail. Features & Benefits: • Suitable for the removal of broken studs and bolts. • Left-hand tapered spiral design, tightens into pre-drilled stud/bolt as more torque is applied. • Contents: 3/8"Sq/17mm Hex Drive; 2, 3, 4, 5, 6mm (36mm Length), 1/2"Sq/22mm Hex; 8, 10, 12, 14mm (45mm Length). • Supplied on socket rail. • Model No. AK7222 Specifications: Model No AK7222 Brand: Sealey Contents: 3/8"Sq/17mm Hex Drive; 2, 3, 4, 5, 6mm (36mm Length), 1/2"Sq/22mm Hex; 8, 10, 12, 14mm (45mm Length) Nett Weight: 0.46kg