Includes 8 Wrenches. Sizes: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 mm. Fine tooth design with dual-pawl mechanism for extra strength. High-polished chrome finish cleans easily. Ratchet lever is easily accessible for quick direction changes. Recessed corners in ends provide extra turning power