We have first time in India developed New Plastic wheel chocks which Conforms to DIN 76051-53 Specifications. 
The Plastic Wheel chock is according to norm DIN 76051 “Chocks for motor vehicles, semitrailers and towings” (Version November 1992) 
Length = 470 mm = 18.50”, Breadth = 200mm = 8.00”, Height = 230mm = 9”
Injection Molded from durable U.V. stabilized and chemical resistant plastic this wheel chock is both tough and lightweight (2.200 to 2.300 Kgs. Chock only). The Chock comes with ergonomically Molded-in built handle. The Wheel chock also has provision for fitting i.e. simply fixing it to truck or trailer bodies to ensure the chock is always on hand when required.