MK Logic Plus Double Gang 32mm PVC Surface Box One cut-out for 20mm round conduit in top face, two cut-outs for 20mm or 25mm oval conduit in lower face and one 20mm round push-out in the base. Both boxes are suitable for fitting over 1 gang and 2 gang BS 4662 flush steel boxes respectively.

Dimensions: 87 x 148 mm
Fixing centres: 120.6 mm