Drop forged. Ring end with especially smooth-running reversible ring ratchet. Extremely small working arc of 5Deg . Material: Chrome vanadium steel- matt chrome-plated. wrench length L: 168 mm Jaw width b: 24 mm Jaw height h1: 5.3 mm Ring thickness h2: 8.3 mm Ring dia D: 22.5 mm Ratchet torque rating: 80 Nm