Peerless high security products are designed for high risk prisoner restraint and transport situations. These products will not operate with standard handcuff keys. The restraints incorporate standard product with a MEDECO® or ASSA® Desmo high security lock system and Lexan® polycarbonate housing. MEDECO and ASSA Desmo are recognized leaders in pick resistant lock systems. Multiple sets can be ordered with two different key options. Each set can be keyed alike or each set can be keyed different. Both MEDECO and ASSA Desmo use restricted key control systems to prevent unauthorized key duplication. The Lexan polycarbonate housing is nearly unbreakable and is color coded orange for high visibility.