1.What is 3 bar aluminum checker plate?

The 3 bar aluminum checker plate is made of rolled smooth aluminum plate, rolled with steel rolls engraved with 3 bar , and pressed on the surface of the aluminum plate to produce an aluminum plate with anti-slip and wear-resistant 3 bar or diamond pattern. It also commonly known as an aluminum tread plate and sometimes spelt ‘aluminium chequer plate’ or Aluminium Three bar.