Features: High precision 90 teeth ratchet design: high hardness, high torque, good toughness, sturdy and practical. 90 teeth ratchet: only 4'' rotation, more labor-saving; Curved handle ratchet: more convenient to use in narrow space. Bent handle humanized design: suitable for more narrow space to protect the finger joints to avoid bruises High hardness alloy steel forging: overall thickening, nickel-plated surfaces, heat treatments more robust Quick release practical and efficient: quick release button, one-handed, improve efficiency Forward/reverse conversion design: adjust the direction of screwing by flicking and rotating. Specifications: Component: Alloy Types: 6.3mm/10mm/12.5mm Optional 6.3mm Overall length about 150mm/5.9in, head width 27mm Mounting sleeve size 1/4" 10mm Overall length about 215mm/8.46in head width 33mm Mounting sleeve size 3/8" 12.5mm Overall length about 260mm/10.24in head width 38mm Mounting sleeve size 1/2" Quantity: 1PC Package Includes: 1PC Ratchet Wrench note: Transition:1cm=10mm=0.39inch Due to the problem of lighting effects and shooting, there nmightbe certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.