Rockwell Delta Jet Lock Fence and Guide Rail Assembly. The fence is complete with lock and pinion. The pinion gear and lock mechanism are in superb condition. Both front and rear rails are 44″ long and 1 3/8″ in diameter. The front rail has a 25″ scale and gear rack at the bottom. The size is readable and rack teeth are in just right shape. The inboard set of rail holes is 16″ apart and the outboard set is 31 1/4″ apart. Includes special shoulder fasteners which might be 2 7/16″ long overall with a 9/16″ diameter shoulder that may be 1 1/8″ long. Fasteners have 3/8″-24 threads. The spacers have a 3/4″ OD, 3/8″ ID and are 7/16″ long. Includes mounting and adjusting instructions.Fence: 422-04-343-0008Front Rail: 422-04-055-0001Rear Rail: 422-04-055-0002Special Fasteners: 422-04-112-5007Spacers: 422-04-104-0001Removed from a model 34-410 table saw. Will have compatibility other identical Contractor Saws and Unisaws with 27″ deep tables. Delivery Confirmation is included within the Domestic Shipping Charges. International buyers are liable for all additional shipping costs such as duties, taxes, and customs clearance fees.