The only Panel Cart that makes moving enjoyable with easy rolling 1500 lb capacity, optional E-Strap attachment and the versatility to transform into a Dolly and Push Cart. Moving your stuff has never been so easy! Panel Bar and E-Strap attachment provides the ability to stack more on the Dolly and straps can be also be used as load control handles Safely Moving More in Less Time! Includes a fully integrated steel frame with four built in SNAPLOCS (E-Track Single strap anchors), heavy duty 4 inch swivel casters (2 with brakes), flat top cargo grip pads and removable Panel Bars. Multiple Dollies can also be interconnected in any direction for moving larger and longer items. Dolly body and pads are made from long lasting heavy duty Polypropylene and measures 32"x20-1/2"x7" tall (with bars 39" tall and 17-1/2" between bars). Best of all, the Snap-Loc Dolly is Made in USA for that Ultimate Cargo Control! Snap-Loc also offers a variety of System Accessories, SNAPLOCS E-Track Singles and Straps for most every type of application.