Chrome Vanadium steel, 72-tooth ratchet wrench, hardened and tempered with a fully polished mirror finish. Quick release locking ring retains extension at set increments, giving four different shaft lengths (215-315mm). Soft grip handle for added comfort and control. Pear-head design with flip reverse mechanism and push-button quick release. Note: These tools are manufactured in accordance with DIN standards and are designed for improved access, not excessive torque. Misuse will invalidate guarantee.