Description: Material: Aluminum oxide sanding sleeves with cloth back. Size:1/2 inch, 3/8 inch, 1/2 inch Quantity: 102/132 pcs sanding bands with 2/12 pcs Shank reusable sanding drum. The sanding bands kit use for smoothing surface and curved edges, polishing both soft and hard materials, like home improvement, artwork and woodworking. Easy to install: Drum mandrels with self-expanding rubber cushion, making the sanding bands close to the mandrel firmly,could be reusable. Wide Application: Drum Sander Perfect for home improvement, art craft, woodwork ,nut-carving, metal, plastic, jade, circuit board and other DIY finishing. Specification: Grit: 80#, 120#, 180# Sanding Size: 1/2, 3/8, 1/4 inch Sanding Material: Aluminum oxide Sander Drum Size: 1/2, 3/8, 1/4 inch Shank Package Includes: 102pcs 0.5 inch: 100 Pieces 1/2 inch Sanding Bands 2 Pieces Drum Mandrels 102pcs 3 sizes: 30 Pieces 1/2 inch Sanding Bands(80 grit) 30 Pieces 3/8 inch Sanding Bands(120 grit) 30 Pieces 1/4 inch Sanding Bands(180 grit) 12 Pieces Drum Mandrels 132pcs 3 sizes: 40 Pieces 1/2 inch Sanding Bands(80 grit) 40 Pieces 3/8 inch Sanding Bands(120 grit) 40 Pieces 1/4 inch Sanding Bands(180 grit) 12 Pieces Drum Mandrels(3 Pack) Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.