1.8*72MM Hex Dia.1.8MM L 72MM Steel Hexagon Shaft Optical Four-wheel Drive Axle Toy Car Wheel DIY Technology New FD727Product Description1.8*72MM Hex Dia. 1.8MM L 72MM Steel Hexagon Shaft OpticalFour-wheel Drive Axle Toy Car Gear Wheel DIY Accessories Technology Model PartsSpecificationsModel:1.8X72MMMaterial:IronMade in ChinaHex Section Distance:1.8MMLength:72MMPackage1000Pcs X 1.8X72MM Iron Axle (If you wish others lenght,please contact us.)