Precision: This rotary tool attachment allows for more detailed work and easier and more mobility in hard to reach places Comfortable: Work longer, with more comfort and control thanks to the lightweight design and comfort grip handpiece for applications such as cutting, grinding, sanding, polishing, engraving and more Convenient: The integrated shaft lock button allows for quick and easy accessory changes Flexible: The 127 mm bend radius provides more manoeuvrability and flexibility during use Compatibility: Works with Dremel rotary tools 200, 285, 300, 3000, 395, 398, 400, 4000, 4200, 4250, 4300, 8000, 8100, 8200 & 8220