... .DOT, TS16949, ISO certified 3.Customized and design Steel Agricultural Wheels W7x20Features:*For agricultural tyre*Material: steel*Certificates: DOT, TS16949, ISO ... and design *High quality, competitive price, good serviceSizes of agricultural wheels: W7*20, W7*24W8*24,W10*24, W10*28W12*24 ... , 4.5J*145.5F*16, 5.5F*20for your choice. Tractor Steel Agricultural Wheels W7x20