The #25 Pitch Set-Screw Sprocket (8mm REX™ Bore, 12 Tooth) is designed for optimal drive on 8mm REX™ shafting, such as those found in Yellow Jacket Planetary Gear Motors. Its 8mm protrusion ensures precise alignment with Sonic Hubs, facilitating seamless integration with larger sprockets. Constructed from steel, it offers excellent resistance to wear, tear, and corrosion, ensuring durability and reliability in various applications.