🔩 Upgrade Your Chainsaw Game! Engineered for STIHL MS311 & MS391 compatibility. Includes all essential components for a seamless replacement. Perfectly sized at 5.71 x 4.53 x 1.38 inches for storage. Weighs only 5.3 ounces for easy handling. Built to withstand the rigors of heavy-duty use. Complete Kit 3/8" Clutch Drum 7T Sprocket The AUMEL 3/8" Clutch Drum Sprocket Bearing Washer Clip Kit is the ultimate replacement solution for your STIHL MS311 and MS391 chainsaws. This comprehensive kit includes a 3/8 7T clutch drum, needle bearing, sprocket washer, and clip, ensuring you have everything you need for a smooth and efficient operation. With a lightweight design and precise fit, this kit is engineered for durability and performance, making it a must-have for any chainsaw enthusiast.