BOSE UFS-20 Speaker Stand Parts - Washer, Custom Made STEEL (not plastic) Washer, Black, 2pcs Custom Made of Steel to Fix / Replace Original Plastic Parts Permanently Fix/Replace the Original Bottom Plastic Spacer Washer For BOSE UFS-20 Cube Speaker Floor Stand, Where the Pole connect to the base. Satin Black Finish Include 2pcs Washers