Manufactured from Chrome Vanadium steel. Hardened & tempered with a chrome plated mirror finish. 36-Tooth ratchet needs only 10° rotation to engage next tooth. 180° Flexible head with 3-position control ring gives anticlockwise/clockwise ratchet & locked. Extension retained at set increments with a quick release locking ring giving different shaft lengths. Soft grip handle for added comfort & fully replaceable ratchet knuckle joint*. * Note: Knuckle joints are not covered by the lifetime guarantee & are treated as consumable items.