Dover flexo electronics' precision-machined aluminum idler rollers and tension rollers are manufactured to the highest quality and can be used solo on your press or web machinery or with any stationary shaft, shaft-end tension transducers or upb transducers including dfes model c, or upbh and supb type transducers. if youre planning to install shaft-end transducers at a new position in your machines web path, maybe youd like to save time and trouble by ordering a dead-shaft idler roll for the installation at the same time.Dfe has been making and supplying reliable precision aluminum idler rolls and tension rollers for customers on an as requested basis for a long time. Now you can order aluminum dead-shaft idler rolls as standard items with short lead times. These precision-machined rolls are manufactured to the highest quality and can be used solo on your press or web machinery or with any stationary shaft, shaft-end tension transducers or upb transducers including dfes model c, upbh and supb type transducers.