Product description AUTODELO end tubes are used when working with fasteners, both in household conditions and in car services, STOs, and production. - Made by cold stamping from a steel tube with a wall thickness of 2 mm. - Have a hexagonal profile of the working parts. - Equipped with 8 mm diameter holes for a ratchet. - Protected from corrosion by a chrome coating with a matte surface effect. Using an end tube when repairing a car ensures easy installation of threaded fasteners, even if the bolts or nuts are located in recesses that are difficult to access with a regular wrench.