4 x Heavy Duty Swivel Castor Wheels 50mm with Brake for Trolley Furniture|Casters| - AliExpress
VEVOR Stair Climbing Cart 330lbs Capacity, Portable Folding Trolley with 6 Wheels, Stair Climber Hand Truck with Adjustable Handle for Pulling, All Terrain Heavy Duty Dolly Cart for Stairs | VEVOR US
Amazon.it: Carrello 4 Ruote
Foldable Trolley Cart 2 Wheels Backpack Trolley Durablel Aluminium Alloy Student Luggage Travel Hand Cart for School Bag| | - AliExpress
Amazon.it: Roncato TROLLEY MEDIO QUATTRO RUOTE
folding boot cart - Amtech
Gewa SPS Hardwaretrolley 120cm – Thomann United States
Sliding built-in trolley with Ø 25 mm nylon wheel for 650 cabinet door