Replacement Wheel Kit for Rollaway Beds This wheel kit is designed for all Hospitality Bed brand rollaway beds. It may also fit other rollaway beds that accept a 1/2" x 15 7/8" axle rod. The wheels are 8" in diameter. Large 8" Wheels Assure Easy Mobility The large 8" diameter wheels assure easy mobility for your rollaway bed. The large wheels easily roll over obstacles such as thresholds. Durable Construction -- Built to Last The rubber tired wheels are all metal construction with the solid axle and push nuts (which secure the wheels on the axle) being metal also. The wheels are built to last and will continue functioning well for their entire lifetime. Assembly Instructions Download a copy of the Assembly Instructions, in PDF format, for the Replacement Wheel Kit by clicking here.