INCLUDES: 1 Dolly EASY ROLLING: Precession ball-bearing, 6 inch solid synthetic stealth cushioned caster wheels for hard surfaces, dirt, gravel, grass, sensitive flooring. Dolly swivels in place. Brakes hold on hills. MOVES MORE SAFELY IN LESS TIME: E-Track logistic straps also used as load control handles, fasten cargo to Dolly/Dolly to furniture with 4 built-in E-Track Single anchors. E-Straps sold separately. MADE IN USA BUILT TO LAST: USA heavy-duty industrial polyethylene (HDPE) impervious to contaminants/weather. Flat top textured grip pad deck evenly secures cargo. 4-sided steel frame zinc plated. VERSATILE SOLUTIONS: Interconnects to move larger items. Transforms into Push-Panel Cart for lumber, drywall, pipe and more. Rolling 4-wheel dolly storage. Fits industry standard E-Track accessories. SPECIFICATIONS: 1,600 lb capacity. Professional movers size 32 x 20-1/2 x 9 inch. Coordinates with Snap-Loc E-Track System for trucks and trailers. Optional tie-down straps/push bars sold separately. PART NUMBER: SL1600D6R The Snap-Loc Dolly System is the easiest, fastest and safest way to move more in less time! THE PROBLEM: Cheap dollies have junky casters that don't roll well, break often causing valuable items to dangerously fall and waste your time and money. THE SOLUTION: The Snap-Loc Dolly has high-capacity smooth rolling casters, is USA made to last a lifetime, offers E-Track Strap cargo anchoring with Push-Panel Bars that transform to move everything with ease! You're going to love it! Dolly System also coordinates with the Snap-Loc E-Track Single System to secure cargo and items on pickups, trucks, trailers, racks, walls, floors, ceilings and more!