All stainless steel snaps: Tarpaulin screws are made of stainless steel, which has excellent rust resistance in salt water applications, has good corrosion and oxidation resistance, strong and durable, ideal for indoor and outdoor use. Wide range of applications: Boat leash snaps kit can be used for boat leashes, boat covers, replacement of boat seat covers, curtains, campers, furniture, cribs, tarps, tents, awnings, canvas, boat cushions, carpet fasteners, furniture garden, etc. no more fabric. Fully equipped: The snap fastener kit also includes two installation tools to speed up the installation process while keeping materials clean. This is a great set of push button machines that you can add to your boat repair tool kit. The push button is easy to install: first with the tool assembly, drill holes on one side, insert the base, mount the cover with the mounting tool, mount the screws on the other side and press both sides. Button set -pressure: set of 20 screws, 20 bases and 20 covers and 2 adjustment tools, delivered in a transparent plastic case for easy storage. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store