3M 05746 Hookit 2-3/4" x 16" Orbital Air File Shoe An orbital file shoe to be used with Hookit abrasives for multiple sanding applications. Instantly add time- and money-saving features to your air file sanders Sized for a range of orbital air file sanders with dust evacuation systems Hole pattern helps evacuate dust from the sheet surface for longer abrasive life Hookit attachment system makes for fast, easy abrasive sheet changeouts