Reddit reviews #10 x 3/8" OD, EPDM Rubber Washers, (100 Pack) Neoprene, 3/32" Thickness - Choose Size, by Bolt Dropper, Neoprene Washers

HIGH QUALITY WEATHER RESISTANT EPDM: Resists damaging ultraviolet radiation from the sun as well as outdoor temperature extremes. The EPDM washers contain superior aging qualities that will stand the test of time and always keep a leak proof seal.LEAK PROOF SEAL & VIBRATION DAMPENING: When compressed against a material, the washer prevents water, air or anything else from coming in or out. The neoprene washer also serves as a cushion preventing damage from vibration.GREAT TO KEEP AROUND: Bolt Dropper washers are great to have around for use in wet environments. Bolt Dropper hardware is the highest quality available on the market and we stand by our claim 100%. Our hardware is strong, corrosion resistant and will support all of your projects.DIMENSIONS: Inside Diameter: #10 | Outside Diameter: 3/8” | Quantity: 100 pcs | Material: RubberLIFETIME GUARANTEE: We are so confident that our product is the best on the market that we offer a NO HASSLE LIFETIME GUARANTEE.