Champion Track Starter Block. IAAF certified<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Pursue your passion with ultimate IAAF certified quality.</li><li>Eight inch square five angle pedal face. 35， 45， 55， 60， or 65 degree angle. Angle makes a big difference how you come out of the block. You get a better push off， proper shin angles and flex response. Your hips and torso are higher..</li><li>You come out running. You are not working. Your torso is carrying you. Perfect block to develop， refine， and improve your technique.</li><li>Take advantage of your training. Push thru the post. Drive off the block with your power leg.</li><li>Easy carry center handle. Blocks do not separate in transit. Meets NFHS &amp; NCAA regulations. Ideal for international and collegiate competition.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51tCFJPnc8L.jpg" noproxy>