General description Neilsen 135W Rotary Mini Grinder Tool Kit is a versatile accessory set compatible with Dremel tools, featuring a total of 233 pieces. This comprehensive kit is designed for various grinding, cutting, and polishing tasks, making it an essential addition to any DIY enthusiast's toolkit. Technical specifications Voltage: 230V~50Hz Power: 135W No-load speed: 10000-32000/min Collet size: 3.2mm Number of accessories: 233pcs Other information Includes 6 collets (2x1.6mm, 2x2.3mm, 2x3.2mm) 4 Sanding bands (12.7x12.7mm) 4 Sanding bands (6.3x12.7mm) 2 HSS cutters (3.2mm) 3 HSS twist drills (1.6mm, 2.3mm, 3.2mm) 7 Diamond bits (3.2mm) 2 Mandrels for cut-off wheel (3.2mm) 1 Mandrel for felt wheel 2 Sanding shanks (12.7x12.7mm, 6.3x12.7mm) 10 Grinding wheels with shank (3.2mm) 5 Brushes (3.2mm) 1 Polishing compound 1 Cloth wheel (25x4.5mm) 2 Felt wheels (25.4x6.3mm) 4 Felt wheels (12.7x6.3mm) 1 Pointed felt wheel (9.5x19mm) 12 Grinding wheels (20x3.2mm) 2 Rubber emery wheels