Precision Brand® Zinc-Plated Rectangular Steel Keystock is designed for maximum strength, reliability, and precision. Made from high-quality steel with a corrosion-resistant zinc-plated finish, each piece is clearly size-marked for quick identification. Engineered to deliver secure, zero-backlash power transmission, this keystock ensures a tight, positive fit in keyways for optimal torque transfer between shafts, pulleys, gears, and sprockets. Essential for new machinery, general maintenance, and shop repairs, it’s a must-have for any application requiring dependable rotating power transmission.