Open end allows wrench to be slid into position from the side of the fastener. Stubby wrenches provide access to hard-to-reach fasteners in locations where a standard length wrench just won't fit. 32-piece each set includes full length wrenches in 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 7/8", 6mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 17mm, and 21mm sizes.
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