The Fusion F4 starting block from Gill features standard 4"x8" pedals with adjustable angles of 30, 40, 50, and 60 degrees. These fusion pedals were built with every aspect of the sprint start in mind giving you the best starting block out there. The angled spikes guarantee no slipping during explosive starts and the built-in handle allows you to transport between locations very easily. The pedal pads come in a choice of 5 colors: royal blue, red, orange, black, and dark green. The Fusion F8 starting block meets all NFHS, NCAA, and IAAF specifications.