... : steel & plastic 3 Size : 16"x4.00-8 4.00-8 rubber wheel : Strengh: ... 3.00-4,3.50-6,3.50-4,3.50-5,4.00-6,13"x3.25-8,13"x3.00-8,13"x5.00-6,4.80/4.00-8 ... 00/3.50-8,13"x3.00-8,4.00-8,13"x4.00-6,13"x5.00-6,12"3.50-5,3.50-7,14"x3.50-8,16"x4.00-8 ... ,18"x6.50-8 ... ,etc)3 ...