Upgrade your outdoor equipment with the Rotary 12712 3/8 x 3-3/4 Flat Idler Pulley. This heavy-duty pulley is designed to provide smooth and efficient operation for your lawn mowers and other power tools. The Rotary 12712 is built to last, with a durable design and high-quality materials. Its compact size makes it easy to install, and its reliable performance will keep your equipment running smoothly. Trust the brand that has been a leader in the industry for years - Rotary. Part number 12712 is a must-have for any outdoor enthusiast looking for a reliable and long-lasting idler pulley. Enhance your outdoor experience with this top-of-the-line product.