Precision Brand® Zinc-Plated Steel Keystock delivers unmatched durability and reliability for high-performance power transmission. Crafted from premium steel with a zinc-plated finish for corrosion resistance, each piece is clearly size-marked for quick identification. Designed to ensure a precise, zero-backlash fit, this keystock provides maximum driving torque between shafts and pulleys, gears, and sprockets. Ideal for new machinery, maintenance, and shop repairs, it’s an essential component for any application requiring seamless power transfer.