High strength stainless steel machine screws attach the BMF/R onto the Switch Kit plate that is included with every binding. They are tightened with a #3 pozidrive screwdriver (a standard #3 Phillips will work almost as well).
Sold in a pack of four (4): two (2) flathead machine screws for the rear two holes, and two (2) pan head screws for the front two holes. You need one pack of four for each binding. Total of two packs for a complete pair of bindings.