About this item 1 3/8″ Outside Diameter. 3/4″ Inside Diameter. No Returns so please measure. 3-pack of Fiber washers to reduce heat and noise on meat grinders. Fits many ( BUT NOT ALL) size #12 meat grinders. Measure the auger stem on your meat grinder prior to ordering. If the center hole is too small they are easy to enlarge with a small file. 1/8″ thick. Red heat conductive fiber material. Please measure prior to purchase. There are NO RETURNS on fiber washers.