Includes 10 Wrenches. Sizes: 1/4×5/16, 3/8×7/16, 7/16×1/2, 1/2x 9/16, 9/16×5/8, 11/16×3/4, 13/16×7/8, 15/16×1, 1-1/16×1-1/4, 1-1/8×1-3/16. Two openings in each wrench with 45 chamfer on wrench ends allow easy placement of wrench on the fastener. Continuous arc design minimizes spreading and is stronger than V design. Satin chrome finish provides good grip and cleans easily