Steel, Parking Use . Name : Telecontrol Parking Lock Model :CAS-CSW-4 Name : Tele control Parking LockModel :CAS-CWS-4 Spec.270X510X450X210X85mmMaterial : high-quality rolled steel pyrolytic coating .Weight:11kgs/pcsFunction :can protect your parking space .can be used in parking lots , uptown ,office building , commercial building,hotel, airport Steel Telecontrol Parking Lock