Neiko 01109A Hex Key SAE & Metric Combo Set, 30 Piece |Cr-V Steel,Ridgerock Tools Inc.,01109A" /> Great combination hex key set that includes hex drivers for metric hex screws and imperial (inch) hex fasteners Allen keys made with chrome vanadium steel for durability with rust resistant black oxide coat Drivers have L-tool shape with long and short arms for increased reach or leverage Burr free, precisely machined allen wrench L keys fit snugly into hex sockets to prevent damage Set includes hard plastic storage case with marked sizes and fits easily in your toolbox or work bag