The Jet 5710421 Blade Wheel Front provides support and movement for the blade assembly on compatible saw equipment. The blade wheel rotates with the blade, helping maintain its movement and positioning during machine operation. This replacement component is designed to replace a worn or damaged front blade wheel during equipment maintenance or repair. Proper installation helps maintai... https://www.wholetoolbox.com/jet-5710421-blade-wheel-front/5710421.html