<b>Snap Fastener Kit,Stainless Steel Marine Grade Canvas and Upholstery Boat Cover Snap Button Fastener Kit with with 2 Installation Tools</b> </br> </br> <b>Feature:</b></br> Snaps are made of brass and nickel-plated for added durability</br> The screws are made of 304 stainless steel, which offers good corrosion resistance in bad environment like high temperature</br> Studs are available for clamping onto screw or canvas studs for mounting on hard surfaces</br> Snaps with heavy-duty construction assures a firm grip that will remain secure through years of use all stainless parts </br> </br> <b>Specification:</b> </br> Color: Black</br> Snaps Meterial: Stainless Steel and Brass</br> Button cap dia.:5/8"(15mm)</br> Socket dia.:3/8"(10mm)</br> Screw Size: 15x10mm(0.59''x0.39''), 15x15mm(0.59''x0.59'') </br> </br> <b>Package Quantity:</b> </br> 20 pcs x Socket</br> 20 pcs x cap</br> 10 pcs x screw(10mm)</br> 10 pcs x screw(15mm)</br> 1 x Anvil</br> 1 x Flaring tool</br>