Snap Cap Socket, All Stainless Steel w/ 5/8" Inch #8 Screw Stud 16 Pc. Set 16 Piece All Stainless Steel Fasnap Brand Caps Sockets with 5/8" Inch #8 Screw Studs. Each piece of this set is 100% stainless steel. Even the screw stud is stainless steel construction The longer 5/8" Inch Screw Studs work great for when existing holes have become worn and a longer screw will provide more "grab" All Stainless Steel parts including the stud portion of the screw stud. You will need a snap setting tool to set these Caps Sockets. We have an inexpensive setting tool available. Simple and easy to use. When purchasing snaps be sure to look for the Fasnap Brand or DOT Brand names stamped into the socket. This will assure you are purchasing a quality product. Anything else may corrode, pull apart easily or break. We Ship Internationally Northwest Tarp Canvas Take a Look Our Quality Tarps! Have a Nice Day!