These are internal angles.\r\nThese internal angles are for use with the PVC trunking.\r\nThe product is made from hard wearing PVC to guarantee a great product.\r\nPVC trunking used should be 25mm x 16mm to insure that everything works well.\r\nTrunking is used to insure all wires are neatly and safely tucked away.\r\nThis will help insure that there are no trailing wires and provide a safer work environment.\r\nWe have a wide variety of trunking that will allow you to work no matter what your needs are.\r\nThis 25mm x 15mm internal angle PVC trunking comes with a one year guarantee, as do all of our product on this website electricals247.co.uk.