Lift The Dot Sockets Clinch Plates w/ 1/2" Screw Studs The Socket is made from durable nickel plated brass, this socket will snap tightly. Strong enough to pierce through several layers of fabric, it's great for jobs using marine canvas and upholstery fabric. Applications include boat covers, boat seats, gear bags, luggage, outdoor fabric, tents, and awnings. The Lift-the-DOT short-prong socket # 90-XX-16205-1A has a height of 0.205 inches. The Lift-the-DOT 1/2" screw stud is made from durable nickel plated brass and stainless steel, this self-tapping screw stud will fasten firmly. Strong enough to stamp through several layers of material, it's great for jobs using marine canvas and upholstery fabric. Used in cloth-to-surface purposes, this screw stud attaches to a hard surface (like wood or fiberglass). Applications include boat covers, boat seats, gear bags, luggage, outdoor fabric, tents, and awnings. Lift-the-DOT fasteners seal on three sides and release by raising the fourth side where the dot appears. Scovill's DOT product series has offered strength and quality for over 100 years. All fasteners are created in the USA We Ship Internationally! Northwest Tarp Canvas Check Out Our Quality Tarps! Have a Nice Day!