SwiftProx Clamshell Proximity Card (Comparable to HID 1326)SwiftProx Clamshell Cards are manufactured using only the finest quality ABS, meaning that strength is maximised and that your investment is protected by improved durability as well as protection against damaging bends and scratches. An encapsulation design aids this also, whilst also offering a consistent and reliable read range which works whether the clamshell card is worn close to the body or on a keyring. Comparable to HID 1326 technology,