The Mark 32 Aircraft Chock is designed for large aircraft, e.g. Boeing 737 or Airbus A320, and aviation equipment. The product is made of very durable, lightweight, polyurethane. The material is resistant to extreme weather conditions, oils, propellants, as well as a high tear and abrasion resistance. Thanks to the material properties, the chock will never rot, crack or splint. Tests have shown that Mark II Chock tolerates more wheel pressure than conventional rubber chocks. A reflex rope in order to be seen better. Thanks to the shape of the chock, it is easy to place at the right place. The material is 100% recyclable and Made from 50% recycled material.