1、Sturdy: The wheel structure is solid and can be applied for a prolonged period of time. Whether for frequent daily use or occasional heavy duty needs, they can easily cope with the situation and maintain solid performance for a prolonged period of time, so that your shopping trip can be more secure. 2、Silent: The cart wheel is silent, making your every push and pull as smoothly as silk, even when applied in quiet neighbourhoods or indoor environments, the noise level is kept low and you can enjoy a peaceful shopping experience. 3、Shock Absorption: Effectively absorbs vibrations from uneven road surfaces, providing a steady and comfortable push, whether on pothole surfaces or the edges of steps. Protects the contents of the cart from damage caused by bumps. 4、Smoothly: The shopping trolley wheels have built in steel ball bearing, which makes the wheels rotate more flexibly and smoothly with almost no resistance. This not only improves the overall smoothness of the cart, but also extends the life of the wheels. 5、Safe: The fixing screw locking method ensures that the wheels are tightly connected to the frame, stable and non shaking during use, effectively preventing accidental dislodgement, so that you can enjoy convenient shopping at the same time, but also have a full sense of security. Item Type: Replaceable Grocery Cart Wheel Material: Plastic Size: Approx. 20cm / 7.8in 1 x Wheel 1 x Screw 1 x Hex Wrench