NEWTON's BEST Starting Block - Our #1 Seller! Newton track & field starting block. 5 Pedal Angle Degree Adjustments - 35, 45, 55, 60, and 65 Degrees Displayed at Smithsonian Institute. Olympic & International Athletes Favorite. Highest Quality, Light-Weight, All Aluminum Casting Newton Patented Starting Block Easy Carry Center Rail Includes threads spikes for synthetic surface.