• 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.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.• 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. AK7222Technical Specification: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: 0.46kgDimensions: Length: 28mm x Height: 298mmWeight: 0.5KgWarranty: 1 year