Are you going to throw away a boat cover with broken boat cover snaps? This set of marine button snaps will save the day. With deep cut sockets, these solid and symmetrical marine canvas snaps are easy to fasten and provide a snug and reliable hold. Made for a wide range of heavy- duty uses, the marine snaps and fasteners stay straight, snapped, and stable. Unlike hook-and-loop fasteners or squeeze clamps, these boat canvas snaps with snap screws anchor firmly and are easy to clasp on and off. The extra-strong stainless steel canvas snaps can be used on single or double layers of sailcloth and prevail against cold weather or high temperature and humidity.