This revolutionary cutter by Inland makes cutting glass as easy as turning a dial. Constant, even pressure is applied to the glass from edge to edge. Has a long lasting carbide wheel that is always perfectly aligned for the best scores. Cutting wheel is replaceable. And the Deluxe Model comes with strip and circle cutter attachments to truly make this a versatile machine! (Strip & Circle Cutter attachments are pre-installed at the factory and are already in place on the Score One when you remove it from the package, with the exception of only a handful of parts.)