Clausing Colchester Follow Rest believed to be the 13 Model. You will receive the exact item pictured in good used condition. Center bolt Hole spacing approx 3¼. 4¼” base width, 3½” base thickness. Simply send me a message if you hope to win a few more auctions outside of that 5 day period. Every effort is made to accurately describe and detail each item. Tag words: Machinist, Metalworking, Industrial Surplus, Machining Tools. Id# CC 13 fr shelf 9/26.