JET® Ready-To-Wrap™ Abrasive Sandpaper, Open Coat Pre-Cut, For Use with: Model JWDS-1836 18 to 36 in W Drum Sander, Specifications: 150 Grit, Aluminum Oxide, 3-3/8 in W JET® Ready-To-Wrap™ 60-18150 Open Coat Pre-Cut Abrasive Sandpaper, For Use with Model JWDS-1836 18 to 36 in W Drum Sander, 150 Grit, Aluminum Oxide