Save 8-10 days of fresh grind “run-in” and by using this kit. This special sanding block provides the best results while prolonging the life of the paper. Kit includes two progressive grits (800-1200) of non-clogging paper designed to give the weight bearing surfaces of your base the lowest possible drag coefficient. Absolutely the best product we’ve found -- provides smoothness never before available. Two sheets will do a pair of skis or one snowboard. (Read more in the The Workshop)