Round metal fronts and 145mm arms go together on the Ray-Ban RB2447, and that's exactly what this compatible temple pair matches — same length, same metal, same round-hinge geometry. It's worth noting round-front models across Ray-Ban's line don't all share one arm length, so the 145mm figure here is specific to the 2447 rather than a round-frame standard. Checking the number stamped on the inside of the arm you're replacing is the quickest way to be sure before ordering.

On round-metal arms this size, the two most common failures are a loose hinge screw and a bent temple — and they call for different fixes. A loose screw is often just tightening; a visibly bent arm, especially one bent enough to sit unevenly behind the ears, is what actually needs a replacement pair. Confirming which one you're dealing with before ordering saves a return.

Frequently asked questions

Are these official Ray-Ban replacement parts?

These are compatible aftermarket arms, independently produced to match the 2447's hinge and 145mm length. They aren't manufactured or supplied by Ray-Ban, just built to the same measurements so they attach correctly.

Do I need a specific screwdriver to attach these myself?

You'll need a small eyeglass screwdriver, typically included in basic repair kits, to remove the old hinge screw and attach the new 145mm arm to your 2447 frame — the whole swap usually takes under five minutes.

Can I replace just one arm, or do I have to buy both?

You can order a single side if only one arm on your 2447 is broken or scratched, or buy the pair if both need replacing — either way they match the 145mm length exactly.

What material are the arms made from, and will the color match my frame?

The arms are molded in an acetate or metal finish that matches the Round style of the 2447 closely, though very slight shade variation is possible since they're independently produced as separate aftermarket parts rather than cut from the same batch as the frame.