The Mule: Heavy Duty Trolley Version 3 (Rubber Wheels) _ Introducing the MULE Heavy Duty Trolley now with Rubber Wheels! (Older Plastic Wheel Version shown for Comparison) 4 large wheels that ensure it will handle rough terrain including thick soft grass, mud and loose sand Wheel size is 16 cm diameter and 10cm wide. Heavy duty aluminum frame for maximum strength & low weight. Load Bay size of
