A blade of the right length will not fit if its adapter does not match the arm. Check length and connector together for each position.
Illustrated teaching diagram
Each blade has its own size
Check the second blade
Check the connector
Checks, step by step
Specify front or rear blades. Record each front blade's length in millimetres. Photograph the arm-to-blade connection; an overall windscreen photo cannot show its adapter.
Relevant category: Wiper blades →
U-hook is one option, not a universal standard. Other connectors depend on shape and dimensions. A box of multiple adapters must still contain the one required for your car.
Relevant category: Wiper blades →
Use the manufacturer's catalogue rather than guessing from size. Follow fitting instructions and check retention before operation. Send an unclear connector photo for help instead of modifying the arm.
Relevant category: Wiper blades →
Sources and scope
Checked 8 October 2026. This guide explains general selection steps. It confirms neither stock, fitment nor services for a specific item. Use your own vehicle documentation for requirements.