This is a foam organizer made for Snap-On (SnapOn) 1/4 drive socket sets. This organizer is made to hold Shallow, Mid, and Deep length Metric sockets. Our organizers are milled out of USA sourced closed-cell foam and designed, made, and tested in SoCal. Every organizer is fit tested for the Snap-On tools they were designed for. Message me for any questions you have.