This product‎’‎s handle extends from 42‎”‎ to 51‎”‎‎.‎Equipped with adjustable swivel for infinite adjustment Has a heavy‎-duty extruded rubber rim to help prevent damaging objects when maneuvering Full range of motion with effortless maneuvering‎.‎Applications:Be used to detect vehicles , machine , warehouse, school ,and factory equipment where can not be detect easily , It can be used in airport security, parking detecting , Military range check , and private vehicles detecting. And our models have been used in large sports meeting , important meeting, police ,famous hotels, factory and so on