Color Green + Black + Multi-Colored Brand N/A Quantity 1 Piece Material Plastic + stainless steel Other Features Voltage: 18V; Diameter: 2.5cm; Length: 16cm; RPM: 5000~18000R; Chucks specification: 0.5 1.0 1.5 2.4 3.2mm; Used for grinding cutting drilling and polishing. Packing List 1 x Electric drill (93cm-cable) 1 x 230V US plug power adapter 5 x Chucks (0.5/1.0/1.5/2.4/3.2mm) 4 x Polishing wheel grinding heads 5 x Steel drill bits (0.5/1.0/1.5/2.5/3.0mm) 5 x Ceramics grinding heads 2 x Nylon brushes 1 x Wire brush 2 x Diamond bits 5 x Resin cutting wheels 1 x Rubber connecting rod 1 x Cutting wheel connecting rod 2 x Felt wheels 1 x Felt wheel connecting rod