The CBT-60, also known as a fishhook blade because of its fishhook-like shape, is a blade model specifically designed to provide superior protection. It belongs to the “Concertina Barbed Tape” series, where “CBT” stands for “Concertina Barbed Tape” and “60” refers to a blade length of approximately 60 mm. “The CBT-60, with its larger blade and sharper design, is typically used in environments that require extreme security measures, such as military installations, border protection, high security prisons and critical infrastructure protection.