![ScrewKeyDoo](http://poppyquiltnsew.com/cdn/shop/files/IMAGECOMINGSOON_bbe016ee-7a1a-4e4a-86c3-8617d6ce4a75_1080x1080.png?v=1700597916)
![ScrewKeyDoo](http://poppyquiltnsew.com/cdn/shop/files/IMAGECOMINGSOON_bbe016ee-7a1a-4e4a-86c3-8617d6ce4a75_1080x1080.png?v=1700597916)
The ScrewKeyDoo is the perfect tool for loosening and tightening the needle clamp screw on BERNINA Sewing Machines. This part is compatible with 4 and 5 series machines, but not with the new 7 and 8 series models. For those models, the ScrewKeyDoo 2 is required.