The panel fasteners come with hole sizes ranging from 1/4 to 9/32 in. (6.35 to 7.14 mm) with grip range of 0.256 to 1.375 in. (6.35 to 34.93 mm). Free samples are available upon request.
Micro Plastics, Highway 178 N, Box 149, Flippin, AR 72634, (870) 453-2261, www.microplastics.com