Use these bar connectors with 2 panel cart handles (sold separately) to convert your Snap-Loc dolly (sold separately) into a panel cart that hauls lumber drywall or other long loads. The connectors and extension bars fit the handles together quickly and the set can be broken down for convenient out-of-the-way storage. Dont get pushed around by a heavy moving job - push back with this panel cart/pushcart connector kit. Connectors and extension bars convert your Snap-Loc dolly (SL1200R - sold separately) and 2 push bar kits (SLPBS - sold separately) into a panel cart. Push bar handles (sold separately) are easy to put together and take apart using the connectors and extension bars. Fit pieces together quickly. Break down for convenient storage. 1-1/4 Steel tubing with hammertone gray powder coat finish - resists rust.