Thermoclear 1 In. Fastener for 1/4 In. (6Mm) Multiwall Polycarbonate Sheet
Thermoclear 1 In. Fastener for 1/4 In. (6Mm) Multiwall Polycarbonate Sheet. Polycarbonate multiwall fasteners are a quick and easy way to secure panels to a variety of framing materials. Fastener Type Specialty Fastener.