Quick Products RV Bumper Mounted Cargo Support Arms Includes Optional Adjustable Brace. Mounted directly to a 4" or 4.5" continuous-weld square bumper the set of arms extends out 20" offering the one thing RVers never have enough of . . . more space. The set of arms boasts a 200 lbs. cargo weight capacity and may be positioned at a width that best suits your needs. An adjustable brace spans the gap between the two arms to limit side-to-side flex and sway as you travel down the road. Three angle adjustment options during installation ensure that your support arms provide the most level surface righting the wrongs of a slanted bumper. The arms are powder-coated black for a clean look that prevents rust and corrosion. All mounting hardware is included. Features of Quick Products QP-BMCSA RV Bumper Mounted Cargo Support Arms Includes Optional Adjustable Brace Provides a stable base to hold a generator or cargo container on your RV or camper trailers bumper Mount at any width to best fit your needs with three angle adjustments for level mounting The included adjustable brace mounts from arm to arm as an extra support surface is desired - Support arms may be assembled with or without the brace Fits any 4" or 4.5" continuous-weld square steel bumper Cargo Weight Capacity: 200 lbs. Package Contents: Quick Products QP-BMCSA RV Bumper Mounted Cargo Support Arms Includes Optional Adjustable Brace Quick Products QP-BMCSA: RV Bumper Mounted Cargo Support Arms Includes Optional Adjustable Brace