FED-UFM SERIES DIGITAL BENCH/PLATFORM SCALES OPTIONAL PORTABILITY KITS Product No.   H3WK Description   3" Wheel Kit. 300 lb. cap. per wheel, (set of 4), all w/brakes. For use with all units except the HFED-UFM-L600. Wt. (lbs.)   8 Price Ea.   $149.00 Quantity: