New Kenda K-352 4.10/3.50-6 2ply Tubeless Replacement Slow Speed Tire. We found these in an inventory we purchased. The tire is in excellent shape and shows no signs of being installed, and is not brittle. This tire is what they call a “Stud” tire. K352 Stud is designed for use on a wide range of products including hand trucks, casters, lawn & garden equipment, pressure washers, portable generators and farm implements.