The 4.6 mm (316") T-Joint is part of the Gardena micro drip system Created to easy branching of connecting pipes, this product allows the transition from Connecting Pipe to Supply Pipe Due to its Quick & Easy connection technology, all components can be effortlessly combined and easily separated The installation of this product is especially easy and includes ten T-Joints. This product fits to pipe sizes of 4.6 mm (316).