The 11-piece #E911 SAE set and the 14-piece #E914 SAE set include wrenches ranging in size from 1/8 to 1 1/4 in., while the 11-piece M950 metric set and 18-piece M958 metric set consist of wrenches ranging from 7 to 24 mm. The tools are equipped with ergonomic handles and fit the hand comfortably. Wright Tool. 800-321-2902.