Features:100% Brand New and High QuanlityLong Service LifeUsed For PolishingGood on metals， woods， plastics， ceramics， etc.Specifications:Shank Diameter: 2.5mm/0.1"Shank length: 24mm/0.9"Total length: 38mm/1.5"Drum diameter: 12.6mm/0.5"Height of Sanding Bands: 12mm/0.47"GRIT: Size 1��80#Size 2��120#Package Included:100X Sanding Bands2X Sanding Drum Mandrel