25mm Shaft 108 (9 feet) Hardened Rod Linear Motion 7197. This product data sheet is originally written in English. Chrome Plated 108 Inch 9' Length 25 mm Diameter Shaft. 108 inch Long 25mm Diameter Chrome Plated Shaft. 108 inch long 25mm Diameter Shaft (Chrome plated), this Shaft will make a great CNC, Router or any application needs precision linear movement.