Dremel 300-N/55 300 Series 1.15 Amp 5,000 to 35,000 RPM Variable Speed Rotary Tool with 55 Accessories New, dynamic design for additional comfort and control Variable speed from 5,000 to 35,000 rpm Lightweight design for comfort during prolonged use. Comfort grip housing for easier handling and better tool control. Dove-tail feature for Dremel-exclusive attachments Click-and-set on/off switch allows precise speed selection