The rice grain aluminum tread plate is also know as aluminium diamond plate,aluminium tread plate or Aluminium skid-proof plate, is a type of lightweight metal stock with a regular pattern of raised diamonds or lines on one side. The added texture reduces the risk of slipping.the tread plate pattern into lentil shaped, diamond, round bean shaped, oval mixed shape,big 5 bar,small 5 bar, diamond,3 bar,pointer etc. There are two different aluminium Tread Plate designs:aluminium Diamond Plate and aluminium 5 bar tread plate is the most common in Market.On the market at present commonly used thickness ranging from 2.0 to 8 mm, the width of the two common 1250, 1250 mm.