[DETAIL] Specifications: Material: Chrome Vanadium Steel Size: 8-22mm(0.31-0.87in) Design: Double-Head, Ratchet, Adjustable Usage: Mechanical Workshop, Automotive Repair, Garage Tools Features: Multifunctional, Self-tightening, Efficient Features: Double-headed self-tightening multifunctional wrench. Time-saving, efficient, convenient, industrial quality. The plate body is polished and plated as a whole, which is beautiful and not easy to rust. Suitable for dismantling screws of various specifications. It is widely used in mechanical engineering, machine repair, auto repair and other related maintenance industries. Package Includes: 1* double-head self-tightening multifunctional wrench [ATTRIBUTES] - Suitable For: Non-metal - Hign-concerned Chemical: None - Origin: Mainland China - Suitable For: Non-metal - Hign-concerned Chemical: None - Origin: Mainland China