The Zinc Gutta Large Half Round 135 degree external corner offers a drainage solution to more challenging angles in your home, such as a bay windows or conservatories. These corners are sold in 135-degree and 90-degree angles and can easily be fitted into your drainage system which can keep your drainage system as efficient as possible. To create a stable system, you should make use of the fascia brackets that should be fitted every 150mm apart. It is also advisable to use a string line when setting out the brackets so you can achieve the most appropriate angle for the gutter and prevent water pooling. Zinc Gutta Large Half Round External Corner Dimensions Height: 95mmWidth: 185mmAngle: 135 degree