LinkMejor Grinding Bit Wheel Mounted Point Rotary Tool Set 100pcs

The mounted point is great for rotary tools, Fit for using on Rotary Tool can accept 3mm shank.Made of ceramic and resin material for cutting wood, plastic, fiberglass, metal, etc.Package Content:Cylinder Head(Quantity x Head Dia): 10pcs x 4mm, 10pcs x 5mm, 10pcs x 6mm, 10pcs x 8mm, 10pcs x 10mm.Cone Head(Quantity x Head Dia):10pcs x 4mm, 10pcs x 5mm, 10pcs x 6mm, 10pcs x 8mm, 10pcs x 10mm.