Overview Reviews Product Description Functional Devices - AdapTrack Mounting Rail, 4.00" Width x 12" Length Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Functional Devices Functional Devices AT4-12 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments