"Clamshell" Style Credential, Dye Sublimation Printable with PVC-9The PSC-1, nominally 0.059 inches (1.49 mm) thick and backed by a lifetime warranty, is among the thinnest clamshell-style proximity cards providing maximum read range. The PSC-1 is available in 26-bit Wiegand format, and for use with any Pyramid Series readers.