EFFICERE 24-Piece Master Combination Wrench Set contains a versatile selection of the most commonly used sizes, in both Standard Inch and Metric, and is stored in a canvas roll-up pouch for easy organization and convenient storage. It is your perfect choice at home, garage, shop, college dormitory and other job sites to accomplish your projects, maintenance and repairs. Made from forged and heat-treated chrome vanadium steel, these wrenches are built to perform. The open ends are angled 15 degrees, allowing you to reach and turn fasteners in tight spaces. The box ends offer the dual benefit of a 12-point configuration that needs only half the entry angle of 6-point) and a 15-degree offset design that saves your knuckles. All the wrenches meet or exceed ANSI standards.