The first secured reusable zip style tie provides ultra-convenient added protection for use on car racks, with accessories and other outdoor equipment. A cutting edge concept in security with a multitude of applications, Z LOK is sold in pairs. Ideal for those much needed Cafe stops!   Specification Security Level: Low Risk. Product Specification: Double sided ratchet design, reinforced steel core, universal release key. Weight: 20g. 40cm long.