The Sourcing Map 20 Tooth Roller Sprocket B Type offers precision and durability for various applications requiring a smooth and hassle-free gear-shifting experience. This #25 Chain, Single Strand 1/4" Pitch sprockets ensure a perfect fit with our range of ISO 04C chains, featuring the innovative C45 Carbon Steel with a sleek, black oxide finish. The keyway with set screws adds strength and stability, making it a perfect choice for heavy-duty machinery or demanding industrial settings. With its superior functionality and attractive design, this sprockets stands out in the market, making it an ideal addition to your toolkit.