"20-volt voltage Speed at no load: 5000–33000 rpm Size of collar: 3.2 mm Adaptable speed management Among the 40 pieces of accessories are Five pieces of cut-off wheels Ten pieces of sandpaper Three grinding wheels, each with a shank Two pieces of sanding shank Six sanding bands one drill piece three diamond bits in one Two mandrel pieces One steel wire brush piece One spanner piece One polishing compound piece One HSS cutter piece One flexible shaft piece One 2.0Ah battery pack (FBLI2001) and one charger (FCLI2001) are included. enclosed in a colored box "