The blade disengages though in use and comes out in the locking system. Has transpired each time I’ve used it and practically nothing I’ve tried out has set the condition. I like DeWalt but I received a lemon. Big tools, hardware, and surplus tools and hardware from home enhancement malls. https://tools-pallet47913.mybjjblog.com/examine-this-report-on-dewalt-and-milwaukee-tools-pallet-44101073