This tool set includes 13 adjustable wrenches that come on a tool display board. Adjustable wrenches are manufactured from steel bar. These wrenches are available in lengths from 6 in to 24 in and with maximum capacity ranges from 3/4 in through 2-7/16 in. They have an extra wide capacity are light weight and have a thin tapered head. Adjustable wrenches come in nickel and an industrial black finish. A very convenient general purpose utility single end hand tool with 22-1/2 deg angled adjustable opening. Martin Wrench Set, 13 Piece, Specifications: 22-1/2 deg Angled Adjustable Opening, Forged Alloy Steel, Cobalt/Industrial Black