Universal snap kit includes a 10 mm stud, 10 mm socket, threaded backing washer, conical nut, long screw, short screw, and ESD common point ground label. Everything needed to field-install a stud or socket on all soft materials up to 0.375" thick. Screws are 6-32 Flat Head Phillips machine screws; one 0.25" long and one 0.375" long (two screw lengths accommodate a range of thicknesses.). Punch a hole through the mat and screw on the socket or stud, whichever is preferred. All that is needed is a phillips screwdriver.