Master Combination Wrench Set, Metric/SAE – 81919. The GEARWRENCH combination wrenches are durable tools for most jobs. They are made from alloy steel with either a full polish or satin finish that resists rust & corrosion. The off-corner loading design on both ends provides a stronger grip on fasteners, reduces fastener rounding, and delivers up to 25% more torque to the fasteners. Sizes are stamped on the beam for quick, easy, & permanent identification. The box end is offset 15° for increased access to fasteners. Available in stubby & long pattern lengths and 6 & 12 point, the GEARWRENCH combination wrenches are a must have for every toolbox. 15 offset for better access in tight spaces. Off-corner loading design on box end provides better grip and reduces fastener rounding. Long pattern beam length for improved reach, leverage and torque. Item Weight: 34.5 Pounds. Item Package Quantity: 1. Item Weight:? 34.5 Pounds. Item Package Quantity:? 1. Head Style:? Box End. Finish Type:? Full Polish, Satin Finish. Global Trade Identification Number:? 93. Item Weight:? 34.5 pounds. Product Dimensions:? 18 x 5 x 6 inches. Country of Origin:? China. Item model number:? 81919. Finish:? Full Polish, Satin Finish. Power Source:? Hand Powered. Number of Handles:? 1. Measurement System:? Metric, inch. Included Components:? Metric Sizes 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, SAE Sizes 1/4″, 5/16″, 11/32″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″, 13/16″, 7/18″, 15/16″, 1″, 1-1/16″, 1-1/8″, 1-1/4″, 1-5/16″, 1-1/2. Date First Available: April 2, 2012. And we will work with you to resolve it to your satisfaction.