Check the listing for details. Linear Motion System Rail Bearings Guide NB 5/8” 29.5” OAL Guided. Condition: Used. Listed at 189.99 USD. Very nice construction and in excellent shape. Don’t see a makers mark on them, but think they are either THK, Thompson, IKO or NB. Aluminum carriage has linear bushing in each end. Flat on back tapped with threaded holes for mounting item in motion.Linear bearing rod is just under 5/8”. This item qualifies for eBay Fast N Free - 1 day handling and free domestic shipping with Fedex Ground to lower 48 USA. AK, HI, PR to pay actual shipping. We care enough to take multiple pictures of our items for sale and all pictures are of the actual item for sale. This item is ready to be shipped upon your purchase. Please email us if you have any questions on this item. All pictures are of actual item for sale.This item was working inventory at a large semi-conductor manufacturer and is sold with a 14 day not DOA satisfaction guarantee. ZM3 1002958 _gsrx_vers_837 (GS 7.0.15 (837))