These replacement soles are for use with Dexter SST 4, SST 5, SST 6, and SST 8. Can be used on right or left handed shoes. Soles will most likely need some trimming for a perfect fit. Sliding soles are sold in men"s size 15 so they can be customized to fit all men"s sizes below 15 and all women"s sizes. S10 : Longest Slide Bowler profile: A "stroker" who wants the longest slide possilbe. The grey felt S10 sole has the longest slide of the interchangeable soles. It"s like wearing a sock. Great on sticky approaches. Minimizes aching knees and slides forever!