Designed for compatibility with various wheelchair models, these plastic seat rail guides and U-shaped blocks provide essential support and stability. The lightweight design ensures that they do not add unnecessary weight to the wheelchair, while their robust construction makes sure durability. These parts are perfect for enhancing the overall performance of your wheelchair. Features -Color:Black -Material:Plastic -Size:4.30X2.80X2.10cm/1.69X1.10X0.83in -Note: Fits 7/8 Inch Tubing. Seat rail guide - 19mm in diameter. -High weight capacity: designed to support high weight loads, the wheelchair seat slider improves overall stability and safety for users -Convenient cleaning: the plastic clip structure allows for easy installation and removal, simplifying the cleaning and maintenance process -Strengthened frame: the ushaped tube support increases the strength of the wheelchair frame, preventing deformation and extending the product's life -Quiet operation: made from wearresistant materials, the seat tube plastic block minimizes friction noise, ensuring a quieter ride -Wide application: compatible with various wheelchair models, this product is ideal for use in homes, hospitals, and rehabilitation centers Package list: 2 x wheelchair sliders