The drive wheelchair seat rail guide is made of ABS materials, practical and sturdy to use. The seat rail guide ismultifunction and could be applied todrive wheelchair,transport chairsand works well. Easy to install, convenient and simple. Features - Color: White-Material: ABS- Size: 4.30X2.80X2.20cm/1.69X1.10X0.86in- Wheelchair seat rail guide meet your needs, wheelchair tube support block is stable support and increased safety.- Made of wear-resistant abs materials, durable and tear resistant materials for extended use and longevity.- Rail guide is lightweight and easy to operate, making it ideal for users who need to transport their wheelchair frequently.- The rail guide is an important safety feature that helps to prevent accidents and injuries while using a wheelchair.- Rail guide helps to improve the overall comfort and stability of the wheelchair, easier for the user to control.Packing list: 10 x Wheelchair Seat Rail Guides