Brand New Stainless Steel Snaps - High Quality Fasnap Brand - The Good Stainless Steel Snaps - Not Junk - 20 of Each Piece Here's what you get: 20 Caps, 20 Sockets, 20 Studs 20 Eyelets / The Cap measures 5/8" across the top surface. The parts that snap together measure 3/8" of an inch. They are probably the same snaps you have on your boat right now. These snaps are made from 304 stainless steel and they aren't going to rust or corrode. The snaps you see from China are crap. These snaps are made in Japan and they are some of best snaps money can buy. Got questions? Send me a note here . I'll get back to you within 24 hours. My name is Jim Watt. My company Northwest Tarp Canvas has been selling snaps and marine related parts for 15 years. With us you get what you pay for. Want cheap crap. Buy stuff from the other guys. Want durable long lasting quality? You get it from us. Oh, by the way we make pretty good tarps too. Also not crap.