Length: 140 mm Height: 22 mm Width: 23 mm features: Pair of concealed carrier plates Lower right hand picture shows carriage wheels fitted to concealed carrier plates The carrier plate concealed (recessed) in the wooden door leaf minimises the distance between the track and door leaf to 8.5 mm Visible, obtrusive carrier plates are a thing of the past Pelmet covers no longer have to be installed on site One pair of concealed carrier plates required per fitting set