This Marley adaptor is suitable for connecting 100mm to 112mm half round guttering. Please note that due to the manufacturing process of this product, the colour may vary slightly from one batch to another. The RAL colour codes referred to in this description should only be used by customers as a guide to the closest colour match on the RAL colour palette and should not be regarded as a definitive colour match. Specifications Colour: Black (Closest RAL Match - RAL 9005)