Hex Allen Keys Set: Tighten and loosen all popular sizes of household, garage and DIY internal hexagon Allen drive screws and bolts. 15 x Imperial: 0.028, 0.035, 0.05, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8" Allen keys.
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