Neoprene Rubber Washer Spacer 1-1/2" OD x 5/8" ID x 1/4" thick 4 Pack | eBay
Tondiamo Rubber Washer Heavy Duty Abrasion Resistant Rubber, 1 OD x 1/4 ID x 1/8 Thickness Rubber Flat Washer Flat Rubber Grommets Black Rubber Washers for Bolts Spacers, Vibration Suppression (50) :
1/4 X 1/2 RUBBER WASHER
1/2" ID Thick Rubber Washers 1" OD 1/8" Thick Various Package Sizes Available | eBay
1-7/8-in ID x 2-11/16-in OD Dia. Universal Rubber Flat Washer | Lowe's Canada