The Dremel 4000 variable speed rotary tool offers the highest performance and most versatility of all Dremel rotary tools. The increased strength of its motor plus electronic feedback circuitry enables consistent performance at all speed levels. Dremel 4000 can use all existing Dremel accessories and attachments plus high-performance attachments to complete the widest range of projects. A slim， ergonomic body provides a 360° grip zone for comfort and control in any grip position. This 11-piece EZ Lock cutting accessory kit is specially curated to perform all cutting application， ideal for cutting in either metal or plastics. The kit provides the organized storage of popular Dremel accessories in a small， compact footprint. This accessory set offers a reusable storage case with clear lid and lift-out tray for easy organization of the included bits. The kit consists of EZ Lock thin cut wheels， EZ Lock metal cut-off wheels， EZ Lock plastic cut-off wheels， and EZ Lock mandrel. EZ Lock technology allows for quick accessory changes without the need for a screw or wrench. Compatible with all Dremel corded and cordless rotary tools. There's no need to hunt for the right collet， all Dremel rotary accessories feature a 1/8 in. standard shank.

4000 quick collet locks for fast accessory changes

4000 cool-running ball bearing construction for smooth and quiet operation

4000 replaceable motor brushes extend tool life

4000 includes: 4 attachments， 34 assorted accessories and a carrying case

EZ728 specially curated kit of 11 EZ Lock accessories for all cutting applications

EZ728: includes a reusable storage case to keep your accessories organized

EZ728: accessory set includes a variety of EZ Lock cutting wheels the patented Dremel EZ Lock system makes accessory changes 6X faster than using a standard mandrel

EZ728: clear lid， storage bin， and removable tray make accessories easy to locate

EZ728: can stack easily， stand upright， or hang on a wall by hook

EZ728: small footprint saves space