Check the listing for details. 7/8" DIA Silicone Rubber Bumpers Black White Clear Brown Orange Red Blue Green. Condition: New. Listed at 6.85 USD. 7/8" DIA x 9/16" Tall.....100% Silicone Bumpers with Stainless Steel washers embedded inside. Each package (number of pieces = 4, 8, 24, 72, 200) comes with Stainless Steel screws of matching QTY. The standard screws that come with each package are #8 x 3/4" flat head phillips stainless steel. The flat head works fine with the washer but some folks prefer the pan head screw for their application. I have other screws available on request. Send me a note to seller on the checkout page to substitute. - #8x3/4" Pan Head phillips stainless steel- #8x3/4"Pan Head BLACK oxide coated steel - #8x1" Flat Head phillips stainless steel - #8x7/8" Flat Head phillips ZINC coated steel Silicone is heat resistant to 450F and can be used on top of toaster ovens.Silicone is durable and provides excellent traction on all surfaces.Silicone is oil and chemical resistant. This product is Non-Toxic and Food Safe. Many available including Black, Clear, Brown, Orange, Red, Burgundy, Green ,Neon Green, Blue, Gray, Almond, White. Hardness = 60A for all colors and regular Black Black (FIRM) has a higher load capacity and hardness = 70A Black (SOFT) is super bouncy and great for vibration control. hardness = 40A NOTE: Clear color for silicone is colorless translucent, not transparent. PLEASE NOTE: see my other listings for many more bumper sizes 3/8" DIA to 2 3/8" DIA Low Profile series is ideal for cutting boards. Durable, Non-marring, Oil resistant, UV resistant. Silicone is awesome! these are not hard plastic imitation bumpers. silicone is super grippy and long lasting and will not scuff or leave marks on surfaces. Free Shipping for orders over $50. (USA only)