Up for sale is One (multiples are avail sold 1 piece per price listed) used and sold in working order featuring a OEM that is unknown product was made in the USA though featuring a 227 mm or 23 inch x 1.5 x 1.5 inches guide rail with bolts. Came off a Teradyne J973 J950 Manipulator that was holding 5000 pounds. See pics for details and add 21.99 for shipping fedex ground within the Continental USA not including Alaska, Canada, Mexico, HI, PR or any out of country shipments.  Extra charges will apply