Our 3M Hookit Short Air File Shoe features a 2-3/4??x 11??size, perfect for a full range of ???hort??air file sanders with dust vacuum systems. Its hole configuration helps channel dust away from the sheet surface for longer abrasive life. This file shoe also lets you instantly upgrade to our Hookit hook-and-loop attachment system for quick, easy changeouts when using Hookit abrasive sheets.