Dremel SM20-02 120-Volt 2 Attachments, 4 Cutting Wheels Saw Max Tool Kit features a versatile cutting system for a variety of materials and a powerful 6-AMP motor for tough applications. Dremel SM20-02 120-Volt 2 Attachments, 4 Cutting Wheels Saw Max Tool Kit features a worm drive gearing for durability/power and dust extraction port for keeping the work place keep with a second wheel positioned for flush cutting. Dremel SM20-02 120-Volt 2 Attachments, 4 Cutting Wheels Saw Max Tool Kit gives users the ability to cut easily and efficiently for a job done right.