No conversion of estimated target size from inches into decimal equivalent of yards is necessary, as the Target Size Scale is in increments of feet and inches.
No entry of data or operations through a keypad is necessary, as the device is purely analog and only requires the alignment of figures on scales.
The DREMEL 4000 variable-speed rotary tool kit offers the highest performance and most versatility of all DREMEL rotary tools. The increased strength of its motor and electronic feedback circuitry enables consistent performance at all speed levels. Ergonomics include a slim design that provides a 360-degree grip zone for added comfort and control. The DREMEL 4000 can use all existing DREMEL rotary tool accessories and attachments, as well as high-performance attachments, so you can do more with just one tool. Two year warranty.