Heavy gauge steel construction. Chrome finished runners for easy adjusting. Optional heavy-duty pins for installation on all surfaces (sold separately). Insert the included spikes in the 14-tapped holes for optimum anchoring. 36" long, longer than most, for easy adaption to the tall or short runner without being moved. Powder coated pedals and zinc plated rail assembly for long lasting, new appearance. Features the Blaze-Latch for fast pedal adjustment.