WSID-05 Universal Fit Worker ID solution is the most versatile product we offer. Fully redesigned and the most versatile product we offer. It can be used in many different applications to suit various industries. The unique silicone stretch-ring fitting system allows maximum flexibility in how the system is used. It can be fitted to lanyards, key-rings*, belts, fall restraints and more. Ideal for use in non-helmet wearing industries.