1、Sturdy Material: The electric wheelchair anti tip wheels are made of premium plastic material to ensure durability. It provides a sturdy base for the wheelchair to ensure its reliable stability and support. 2、Secure Design: Each set contains 4 wheels which are designed to prevent the wheelchair from tipping over, ensuring the security of the user during mobility. Provides confidence and peace of mind for wheelchair users. 3、Long Lasting: These wheels are built to last and are constructed to withstand prolonged use and friction without compromising functionality. Enhances the overall functionality and security of the mobility aid. 4、Increased Security: The anti tip wheels are designed to prevent the wheelchair from tipping back, providing increased security for the user. These wheels provide users with peace of mind and confidence, ensuring a secure and comfortable mobility experience. 5、Easy to Install: The electric wheelchair anti tipping wheels are designed in standard size, easy to install and compatible with most electric wheelchairs. Its ergonomic design makes installation easy and simple without complicated tools. Item Type: Electric Wheelchairs Wheel Material: Plastic Diameter: Approx. 5cm / 1.97in Axle Diameter: Approx. 0.65cm / 0.26in Wheel Width: Approx. 2cm / 0.79in 4 x Wheels