Embedded with a super strong magnet the Pro-Fit Carry Systems Magnetic Fastener Holder acts as a vital, on-the-job tool allowing technicians to carry and easily access nails, screws, bits and small tools. Constructed of heavy-duty leather and construction-grade nylon, the holder is embedded with an intensely strong magnet. The snap-on strap works with the complete line of Pro-Fit’s modular platforms and pouches. The roomy holder measures 3-1/2” wide by 4-1/2" high by 1/2" deep.