A long five meters, pipe diameter 5 cm, thickness 2 mm, 46 stud arc, 34 straight, aluminum road teeth is my company's own developed products, the use of semi-circular shape, nice, easy handling, The surface anodized, anti-destructive and anti-corrosive, easy maintenance and repair. ??? This product is applicable to all types of athletics track, the standard 400 m runway, bend radius tail 36 meters, 36.5 meters, 37.898 meters can be used. Can also be used for a variety of non-standard venues runway. Aluminum space Road teeth is our company developed a new aluminum space Road teeth, adopt a circular aluminum instead of the traditional square aluminum road teeth, has a nice shape, handling convenience:?? The surface at the end of the epoxy powder spraying, anti-sabotage corrosion, easy maintenance and repair features. ? Details: This product is suitable for all types of track and field, for the 400m standard track, each track tooth length 5m, with a radius of 36.5m of track and field, for example, installed on the teeth bend radius of the curve is 36.475m, per?? 1.5m away from the installation of a curb-holder, said body portion to sleep using a short length of 50mm fasteners, two? a road junction teeth using a length of 100mm long mounting fixture connections. ? Sale: from the Road teeth begin installation is complete, the company will have one month product warranty period, if the product has an artificial quality problems the company is not responsible for??. ? Packing: bubble film wrapping purchase Notes:? In the company made before shipment, for each credit customers hit 50% deposit?. After receiving the money the company will immediately arrange delivery. ??