Replacement sandpaper "sticky" beam covering. This comes in a long strip meant to be wrapped around a bare cloth beam using double sided tape to hold it in place (not included). The process is user friendly and easily done on the loom. Sandpaper Surface is sized to fit A-Series, all full frame (PDL, TDL, Modular, etc.), Industrial Dobby, Folding and Workshop Dobby Looms. This item is for a 40" weaving width beam.