Hakka Brothers 2 Tiers Trolley-Big Size 0.7mm1. Practical collecting car: high quality food grade stainless steel with handle push rod, with corrosion resistance, heat resistance, low temperature strength, not easy to damage, wear resistant, safer, healthier, durable 2. Silent universal wheel trolley: The wheel is heavy duty design, anti static carbon fiber silent rubber universal wheel, with good elasticity, wear resistance, no traces, with 2 brake wheels, can prevent the cart from being