Dura-Block AF44A Black 6-Piece Sanding Block Set Go to amazon.com Related posts Top sanding block for 2022 FeatureGet all you need in one package DescriptionThis contains many of the most popular Dura-Blocks including 1-piece AF4400, 1-piece AF4401, 1 piece AF4402, 1-piece AF4404 and 2-piece AF4405.