Available Track Models: Surface (SH) Model Surface (SC) Model Recess (RH) Model Bundle Includes: 100cm Power-Track x 01 Unit Delivery or Installation (Select Option) Premium British Adaptors (Select quantity) Difference Between Surface (SH) / Surface (SC) / Recess (RH) Surface (SH) and (SC) modelled Power-Tracks are Surface (Protruding) Power-Tracks. RH modelled Power-Tracks are Recessed (Flushed) Power-Tracks. What are the track dimensions for the Surface (SH) / Surface (SC) / Recess (RH)? Surface (SH) Dimensions (L x W x H): - Variable, 100mm, 28mm Surface (SC) Dimensions (L x W x H): - Variable, 70mm, 27mm Recess (RH) Dimensions (L x Cut-out W x H): - Variable, 70mm, 30mm *Additional information on Recess (RH) Cut-Out Dimensions* Cut-Out Dimensions to recess/flush the power-tracks.