Type: Canopy Side Mount - Tube Clamp, Suits Tube Dia: 25mm O.D, Total Size: 31 x 30 x 60mm, Fastening Holes: N/A A range of very robust canopy fittings made from mirror polished cast 316 grade stainless steel. Virtually unbreakable and non-corrosive to give many years of reliable service. 2 types -