Dowel bars can be used in construction and rehabilitation projects. These are used to extend the service life of a pavement by improving load transfer and helping to prevent faulting at pavement joints Sizes:32 to 38 mm in diameter, 460 to 500 mm in length Specification:ASTM A615/615M; ASTM A 966/A966M; ASTM A1078/ A1078M Grade 40 or Grade 60 Epoxy Coated:Jotun Brand