... , high elasticity, rub resistance, natural rubber tire and steel rim make sturdy wheel.(6) Material of rim ... used for wheelbarrow, hand trolley, sack truck, lawnmower and welding machine etc.(8) Package: In bulk, weave ... here. 3. self-sufficiency manufacture ZINC OXIDE and SULFUR POWDER supply to tyre ormacom pleteset to use ... 4.00-4, 4.00-6, 4.00-8, 4.80/4.00-8, 5.00-6, 6.50-8 rubber wheel 4.80/4.00 ...