To build a Baseplate dolly that fits the dimensions of your baseplates you have to choose a frame. This frame has the following dimensions: • Length: 77 cm • Width: 59 cm The frame has pre-drilled holes for mounting the castors and has been made "hood ready" with four cutouts for the butterfly locks of an optional flightcase cover. SPECIFICATIONS Length 77 cm Colour black Width 59 cm For baseplates sizes 73 cm Material powder coated steel Weight 10.7 kg