The Powermatic PM2800B-116 Hub helps connect and support compatible rotating components within the equipment assembly. Designed as a replacement hub, it provides a secure mounting point for the corresponding parts and helps maintain proper alignment during operation. A properly fitted hub supports smooth component movement and helps maintain the intended function of the connected asse... https://www.wholetoolbox.com/powermatic-pm2800b-116-hub/PM2800B-116.html