Dremel 8300 12-Volt Cordless Multi-Max Oscillating Tool Kit w/Case & Accessories (Certified Refurbished) Dremel 8300-01 12-Volt Cordless Multi-Max Oscillating Kit | Manufacturer refurbished Variable speed from 3,000 to 21,000 opm provides maximum control and precision High-performance motor for maximum performance at all speeds Separate on/off switch  maintains speed setting after tool is shut off Quick Fit feature  for faster accessory change