EASY TO USE Heavy Duty Boat Canvas Screw Studs for cloth to surface applications provide a strong, secure attachment. Also call Lift Fasteners. Just Like The Professionals Use! MULTI PURPOSE High Quality marine grade self tapping screw stud fasteners perfect for use with boat covers, boat canvas, boat seats, tents, awnings, curtains, bags, tarp fasteners, military and automotive applications. Will not rust or corrode. FLEX WASHER INCLUDED provides watertight seal between clinch stud and surface. Just install this screw stud into your fiberglass or wooden surface and snap on your One Way Lift Socket and Backing Plate for a secure attachment. CHOOSE YOUR SCREW SIZE on these Lift Fasteners according to your needs. Perfect for replacing worn or broken studs. INCLUDES One Way Lift Fasteners Screw Studs and Flex Washers. Eyelet Prongs, Backing Plates Not Included. See our ad for eyelet fastener hardware. Sold as Pack of 5 or Pack of 10