This product can be found on page 41 of the Ennis Fabrics 7th Edition Canada Supply Catalogue
This product can be found on page 55 of the Ennis Fabrics 7th Edition USA Supply Catalogue
1 in. Diameter
#40 (1) nylon buttons, tough, impervious and perfect for outdoor applications such as lawn furniture. One piece molded design with hook backs for use with twine or pre-tied strings. Design of hooks prevents twine from pulling out after insertion.
#40 White Nylon Hook Button is a superior button which provides in a fast installation and perfect tufting depth each time.