Type : Barbed Tape Concertina (CBT);
            Barbed Tape Obstacle (BTO)
Standard materials are either galvanized or stainless steel. 

Concertina coils are the most popular high security fencing for military and high grade residences safety. Two main types available for concertina coils: one is the single coil and the other is crossed concertina coils. Crossed concertina offers the highest security grade among all the razor wire fencings.