Units come with four swivel casters 5" x 1-1/2"

000lbs 168" 102" 45° 800lbs AT14A060-180SPA 60

and run strapping to end clip

313-250-25

Vestil Aluminum Wheel Risers (ATWR) Category_Ergonomic Solutions Units come with four swivelElevate semi trailers to loading docks for maximum serviceability during loading and unloading operations. Manufactured from heavy duty aluminum tread plate for positive traction. Welded all aluminum construction. 30,000 lbs. capacity per pair (Sold Each). Wheel Risers are designed to raise the trailer for loading and unloading to facilitate compliance with OSHA ANSI B56. 1 part 3 sec 7 requirements for a maximum grade of ascending or descending