Recommended Aplplications : Airline Cargo, Refineries, Vehicles, Rail Freight, Plantations, Fire doors, Lookers, Containers. Material Body Polypropilene Insert Acetyl Overal Length : 13 cm & 21 cm Operating Length : 11 cm & 21 cm Marking : Laser or Hotprint Consecutively numbered as standard Optional Customer name/ logo Optional Laser Bar-Coding Colours : Red, Blue, Green, Yellow, Orange, Black, White