SNAP-LOC DOLLY BLACK (USA!) with 1500 lb Capacity, Steel Frame, 4 inch Casters and optional E-Strap Attachment Makes moving enjoyable with easy rolling 1500 lb capacity! Safely Moves More in Less Time with optional E-Strap attachment! Integrated steel frame with four built in SNAPLOC E-Track strap anchors. Ball bearing 4 inch swivel casters (2 with brakes) and flat top cargo grip pads. Heavy duty Polypropylene body 32"x20-1/2"x7" tall. Optional steel bars transform Dolly into a Push Cart and Panel Cart when needed. Interconnect multiple Dollies in any direction for larger and longer items. Dolly Made in USA!