12 Pc. Metric Double Ratcheting Wrench Set Features: -Ratcheting function on open end and box end -Ratcheting box end needs as little as 5° to remove fasteners -Sleek head design enables access to tight spots where a ratchet will not fit -Open end quickly ratchet nuts and bolts without removing the wrench from the fastener -Off-corner loading design on ratcheting box ends provide better grip and reduces fastener rounding -5° ratcheting arc VS. 30° on standard combination wrenches -High-visibility stamped markings provide quick size identification -Bright, full polish chrome finish easily wipes clean and resists corrosion -Chrome vanadium alloy steel (Cr-V) for exceptional strength and durability Specs: -Flexible : No -Size : 8-19mm -Length Format : Standard -SAE/Metric/Torx : Metric -Fastener Size : 8-19