Specifications:Ideal for tightening and loosening hexagonal and square nuts and bolts. Forged and hardened special steel body with chrome plating for durability. Calibrated openings ensure a perfect fit for screws, with hardness tested at multiple points for wear resistance. Tools are available in both metric and inch sizes.Set Includes:3/9 - 7/16 inch Open End Wrench1/2 - 9/16 inch Open End Wrench5/8 - 11/16 inch Open End Wrench3/4 - 25/32 inch Open End Wrench13/16 - 7/8 inch Open End Wrench15/16 - 1 inch Open End Wrench SKU: TRM.4801.06 Brand: TRAMONTINA Country of Manufacture: Brazil Supplier Part Number: TRMNT4801-06