The Peerless-AV ACC-BPR SmartMount Bumper Accessory is designed to help prevent damage to doorways or walls by providing a non-marring cushion at the outer corners of your Peerless-AV cart base.Works with SR560M, SR560M-AW, SR560M-AB, SR598, SR555M & SR575K|Made from non-marring rubberized material| Peerless-AV| Peerless| PERLES| ACC-BPR| ACCBPR| 735029305286| SmartMount Bumper Accessory| SmartMount| Bumper Accessory| Package Contents: Bumper material|base|mounting hardware|wrench This item cannot be shipped to APO/FPO addresses