These two versatile wrenches replace 24 wrenches in your tool box. Each wrench includes 12 sizes in one reversible wrench for ease of use. 72-teeth gear design delivers 5° swing arch making these tools useful in tight spaces. Made of heat treated steel with full polish which adds to durability. High torque capacityFeatures forward, fixed and reversible functions Sizes:8, 10, 11, 13, 14, 16, 17, 19mm5/16", 3/8", 7/16", ½", 9/16", 5/8", 11/16", ¾"E10, E12, E14, E16, E18, E20, E22, E24