These Dunnet Tools Trolley Wheels Are Made Of High-quality PU Foam, Which Cannot Be Punctured And Is Incredibly Hard Wearing And Along Lasting. The Wheel Hub Is Made Of A High-strength Plastic, Which Is Both. Sturdy And Durable The Sack Truck Wheels Are Non-marking, And Feature The Bounce And Feel Of A Pneumatic Tire. The Solid Foam Is Not Easy To Puncture Or Scratch, And It Can Be Used With Confidence Even On Rugged Roads. The Wheelbarrow Wheels Have A Strong Load-bearing Capacity, The Maximum Weight Load Of 150kg Should Be More Than Suitable For Most Scenarios And Users For These Wheels. The Spare Wheelbarrow Tyre Can Be Used On Different Tools Such As Sack Barrows, Wheelbarrow, Hand Truck, Garden Cart And Many More! The Product Is Not Suitable For Road Or Highway Use. Specifications: This Block Pattern Wheel Is Manufactured From Puncture Proof Pu Foam With A Red Plastic Rim & Centre Bore For A 16mm Diameter Axle. The Maximum Load For The Tyre Is 150kgs. Approx. Size: 10” X 3.5-4”. Maximum Load: 150kgs. Hub Length: 55mm. Bore Diameter: 16mm.