Description 【Walker Handles】For people with mobility needs, this rounded replacement hand knob offers a practical and user-friendly solution. Featuring an ergonomic design and hand tightening function, it simplifies the operation of mobility aids such as wheelchairs and walkers. These 2pcs handles are crafted to ensure a firm and comfortable grip, enhancing the overall usability and safety of mobility equipment.【Wheelchair Wheels】 Features -Color:Black -Material:Plastic,Galvanised Carbon Steel -Size: 5.50X2.00X0.50cm/2.16X0.79X0.20in 【Wheelchair Hardware】Toolfree assembly: assemble the walker parts by hand without the need for any tools 【Woodworking Tool Replacement Parts】Adjustable Locking Feature Provides Secure Fastening On Various Mobility Aids Enhancing User Safety 【Mobility Grips】Universal fit: compatible with a variety of walker and rollator brands due to their universal design 【Wheelchair Nuts】Durable Construction With Adjustable Locking Feature Supports Long Lasting Mobility Aid Enhancement 【Walker Washers】Thoughtful design: the walker replacement parts feature a rounded shape with no edges, providing a