FasnapSelf-Piercing GrommetsSelf-Piercing Grommets can be used in marine, tent, awning, fabric structure, sign and banner industries, and more. Fasnap's premium self-piercing grommets are made with a sharpened edge for piercing ability. The washers are made with a patented design that incorporates small teeth and a channel to prevent slipping and provide extra holding force. Available in sizes #0-#4.fasnap.comFasnapPolyester Covered Shock CordFasnap's Polyester Covered Shock Cord can be used in multiple ways but is commonly used to secure large loads down to individual objects of variable sizes with the proper amount of tension while in transport to keep products secure and safe. Marine, tent, awning and cargo control are just a few of the markets that use this product. The shock cord helps repel fungi, mold and bacteria.fasnap.com