Feature: 1. Sturdy: The wheel is solid and maintains stable performance over prolonged periods of time, ensuring that your equipment or vehicle remains sturdy during frequent movements, prolonging its service life and giving you a no worry experience. 2. Silent: The roller wheels are silent when rolling, creating a quiet working environment or living space. The wheels run smoothly to enhance mobility, making it easy to glide silently and improve overall comfort, whether it is for hospitals, libraries or home use. 3. Anti Vibration: Pushchair wheel pressure relieving and shock resistant lightweight can handle a variety of road surfaces, effectively absorbing shocks and vibrations caused by uneven ground, protecting your equipment or goods from damage, while also reducing user fatigue. 4. Built in Ball Bearing: The steel ball bearings built into the triangular wheel ensure low friction and high efficiency even when the wheel is rotating at high speeds, making it the first choice for users in pursuit of efficiency and safety. 5. Screw Fixing: The locking method adopts screw locking, which is simple and easy to use, and can be quickly installed and dismantled with simple tools, and at the same time, it ensures that the wheels are firm and not loosened in the process of use, which effectively prevents the possibility of accidental dislodgement. Specification: Item Type: Stair Climbing Wheel Material: Plastic. Package List: 1 x Stair Climbing Wheel