1 - 15x6.00-6 4ply Ribbed tyre fitted to heavy duty steel rim with 25mm ball bearings. These wheels can be used for ride on lawn mowers, garden trailers, ATV quad trailers, buggys, karts,hay bobs, hay turners, tedders, small agricultural machinery. This type of ribbed pattern is very versatile, it has rounded shoulders so it causes minimal disturbance to the ground when cornering & it leaves very little track pattern on the ground. These wheels are not for highway service - They are for low speed applications. The tyres are "Wanda" they are heaving wearing 4ply with a thread depth of 4mm. Wheel dimensions: Overall diameter: 380mm, Max section width: 160mm, Max load: 570lbs (258kg) @ 30 PSI. The wheels are heavy duty steel rims with 2pcs 6304 ball bearings - 20mm internal bore, The hub length is 90mm (distance between the bearings)