Dremel is the inventor of the world famous Multitool System that can be used for a great number of projects both indoor and outdoor; for a wide variety of applications such as engraving, carving, routing, cutting, sanding, polishing and more. The Dremel Multitool System comprises of tools, attachments and accessories. No matter which materials you want to work with, Dremel has a solution for you. Box Contains 1 x Tile Spiral Cutting Bit The multipurpose cutting bit 561 cuts wood, plastic, fiberglass, drywall, laminate & vinyl siding. The tile cutting bit 562 cuts ceramic wall tile, cement board and plaster. (Not for use on floor tile) Shank diameter 3,2 mm Working diameter 3,2 mm Maximum RPM 35.000 1/min