5 angle pedal adjustments. Newton Starting Block High quality aluminum casting. Easy carry center rail. Used by olympians and displayed in the Smithsonian. The world's highest rated starting block. Leap at the oppurtunity to own the Newton starting block. This light weight state of the art block is used by more athletes then any other block on the market. Constructed of light weight aluminum and eye catching sleek design make it the perfect choice for a first place finish.