This storage box is for the Cuisinart 14-cup steel chopping blade (Model: DLC-001TXB, Example: https://amzn.to/3SVcnze) which fits onto their 14-Cup processor models: DFP-14BWN, DFP-14BCWNY, MP-14N, MP-14, DFP-14BCWN, DLC-2014N, DLC-2014CHB, DLC-2014, DFP-14BCNY, DFP-14BCNR, DFP-14BCN, DFP-14BCHN, DFP-14.
My wife used to put her blade into a drawer, but it would get damaged from banging into other kitchen tools. One day, she cut her hand badly on the exposed blade. This box protects the blade, and protects her.
The author marked this model as their own original creation.