Hand Sander Number of Pieces 1 Size 9-3/8 x 3-1/4 in Length (In.) 9 3/8 in Width (In.) 3 1/4 in Construction Lightweight Aluminum Backing Plate Bonded To Foam Pad Dura Soft Handle For Drywall Joint Sanding For Use With Die Cut Or A Half Sheet Of Standard Sandpaper