Screw Stud 3/8" 100% Stainless Steel Construction 25 Piece Set - Shipped from The USA! 3/8" 100% Stainless Steel Screw Stud Snap Stud and Screw Length are Both 3/8" Designed for Salt Water Marine Environments Recommended for Boat and RV Use Fast Shipping from N.W. Tarp & Canvas