This is a pair of slack washers. These are used to take 1/8" of "slack" to help tighten up disc with additional space. This pack of 2 will take up 1/4" of slack. Please remember, disc harrow spacers are not meant to fit "tightly" but they will have a little "slop". That is they way they are supposed to fit. This will fit ANY brand disc harrow that takes the 1" squared axles. 2-1/2" wide 1/8" thick Fits 1-1/8" x 1-1/8" square disc harrow axle We carry most all spacers, washers, axles, harrow disc for 1" square axles.