The Dremel ultra-saw kit is designed for users wanting a multi-saw that can do everything the Dremel saw-max can do and more. With a 7.5-amp motor and a durable drive train, the ultra-saw has more power for making long cuts. A metal foot and guard resists the heat generated by heavy-duty jobs like grinding and cutting metal. Large, 3.5 inch and 4 inch cutting wheels provide fast cutting speeds and improved performance in a wide variety of materials. Plus, with our exclusive accessories, this robust Dremel saw kit offers the added ability to perform surface preparation tasks like removing paint, rust and thin-set mortar. What's Included: US40 Tool. US500 4” Carbide Wood Cutting Wheel. US510 3.5” Metal Cutting Wheel (x2). US520 3.5” Masonry Cutting Wheel. US600 4” Carbide Wood Flush Cutting Wheel. Auxiliary Handle and Tool Storage bag7.5 amp for faster cutting and tougher applicationsFaster speed of cut - rip through plywood and cut more metal3 inch at 1 tool go beyond cutting and flush cutting with surface preparation applications comes with rust and paintAdded durability improved drive-train lasts 3x longer than the saw-max and its metal foot and guard handle tough applicationsExcellent line of sight for precise and confident cuts