Coupling, perforated, with connection opening for fitting/outlet of cables, for connecting machine installation pipes aligned lengthwise, for connecting pipe bends and for fastening to the floor connection. Can be used for: machine installation pipe MI 60..., machine installation pipe MIG 60... and installation pipe connection MIA 60... Dimensions (approx. dimensions) Coupling Ø: 60 mm Hole L x W: 90 x 43.5 mm Coupling length: 230 mm Material: stainless steel, material no. 1.4301, 1.4303