NEW Dover Tension Roll Transducer Preco Web Laminating # TR-2 1000 XR / 21.5" TR2-4-21.50/29.50-100-6-OB-XR This is has never been used. This is awesome and Hard to find!!!! There are a few cosmetic blemishes due to moving. This has never been placed upright, but stay horizontal, as it was intended. This Was going to be part of an Unwind, of a 3 module line, but never been put into use (I included pictures of the machine we disassembled). This has : Never put into production 4 inch roll diameter 21.5 inches long (roll width) comes with mounts 1000 mVDC output 10 Vdc input XR Extended Range option - extra sensitive at low range OB Option. Oiled Bearings instead of Greased bearings. Please allow for a few days of prep before shipping. FREE USA SHIPPING