Bestop 42806-01 HOSS Hardtop Cart for 2007-2018 Wrangler JK 2-Piece & 3-Piece Hardtops Hardtop Storage Cart accommodates 2-pc. or 3-pc. Hardtops with roll-around storage for your hardtop during the off-season Quickly attaches to the back of the hardtop while on the vehicle for easy ad convenient removal Unique support bar on the HOSS Hardtop Cart keeps rear window from opening during removal Features foam padding on supports to help prevent scratches on the top Has heavy-duty casters with front locking wheels