Super-thin ultra low profile wrenches let you reach fasteners in tight clearance. Just 2.2 to 5.6 mm thin and constructed of premium forged steel, these super-thin open end wrenches are truly versatile and are made to last. The wrench head is tipped at a 15-degree angle. Useful especially in narrow spots, after each 15-degree turn, flip the wrench over to quickly engage the fastener again. Premium Chrome Vanadium steel forged with a complete 10-step state of the art heat treatment process, constructed for serious professionals. Flawless chrome plating, achieved through thorough polishing and careful application of chrome protective plating, ensures durability and corrosion resistance. Comes in our own spill-resistant Mechanics Tray for easy organization and storage. Tray dimensions: 15-3/4 in. (L) x 7-1/2 in. (W) x 1-1/4 in. (H), fits comfortably in most tool chests and cabinets. Set of 14 open end wrenches with 20 metric and 8 SAE sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 mm, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8 and 3/4 in. Thinness: 2.2 mm thin 6-7 mm and 1/4-5/16 in. Open ends, 2.6 mm thin 8-11 mm and 3/8-7/16 in. Open ends, 3.6 mm thin 12-15 mm and 1/2-9/16 in. Open ends, 4.6 mm thin 16-19 mm and 5/8-3/4 in. Open ends, 5.6 mm thin (20-24 mm open ends). The Capri Tools Super-Thin Open End Wrenches have ultra low profiles that let you reach fasteners in tight clearance. As thin as 2.2 to 5.6 mm, these open end wrenches are truly versatile and come in handy in a wide variety of applications. These super-thin wrenches are constructed of our premium Chrome Vanadium steel, forged with a complete 10-step state of the art heat treatment process. They are made for serious professional and made to last. Each is plated with our flawless Flawless chrome plating, achieved through thorough polishing and careful application, to ensure durability and corrosion resistance. Set comes with 14 open end wrenches with 20 metric and 8 SAE sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 mm, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8 and 3/4 in. Capri Tools Super-Thin Open End Wrench Set, Metric & SAE, 14-Piece. We are here to help if you have any questions. Simply send us a message and we will respond within 24 hours, Monday to Friday.