1267 Screw Snap Fastener Kit provides a simple method of joining together interior or exterior fabric to a solid surface like wood, plastic or fiberglass. The complete kit comes with 6 sets of screw fasteners and a 2-piece setting tool that features a knurled body for greater comfort and safety. Screw snap fastener base has a 3/8 inch screw and is perfect for attaching canvas, tarpaulins, sailcloth and other interior and exterior fabrics to solid surfaces such as wood, plastic and fiberglass. Screw snaps are made of brass and are nickel plated for added durability. Use screw snaps to add, repair or replace broken fasteners for canvas, tarpaulins, awnings, sailcloth, lawn furniture and pool covers. Includes handy step-by-step instructions are included. Refills available through General Tools and Instruments 1268 Snap Fastener Refills, 6 Fastener Sets.