Designed to provide a durable and convenient receptacle to store bobtail hose end delivery valves during over-the-road transit. Thes holsters can be mounted fully above deck or partially below deck in left or right hand hose reel applications with an ergonomic angle providing optimum conditions for delivery personnel. Smart Interlock technology is available for direct connection to Allison® automatic transmissions through the 'auxillary function range inhibit" or braking systems for manual transmission vehicles. Samrt Interlock technology prevents the vehicle from being operated while the hose end delivery valve is in use. This revolutionary system incorporates the industry's best and most durable sensor - Turck® - which are backed with a lifetime product warranty.