Driver and shaft fitting you can check.

Enter your launch-monitor numbers. The engine finds the launch, spin and descent window for your speed, scores 21 drivers and 172 shaft weights against it, and shows each step with the code that produced it.

Free. No account. Top of bag covers fairway woods, hybrids and long irons.

Shafts

172 weights from 76 shaft lines, stock and aftermarket. Each one is matched on weight, flex, torque and bend profile against your speed, tempo and spin, and every pick lists the rules it met. Shafts no longer made still rank, tagged so you can search used. How the weight window is set

The method

1. Window. The launch, spin and descent targets for your club speed.
2. Loft. The loft that fits your speed, attack angle and spin.
3. Heads. All 21 drivers scored on what your numbers call for.
4. Shaft. Weight window and flex from speed and tempo; tip and profile from your spin and launch.

The method, with the code

Rules the engine follows

• Ranking is agnostic to brand, price and influence.
• Ties are shown as ties (3=). Within a tie the order is a shuffle seeded from your numbers, never brand or catalog position.
• No predicted yardage gains. You get the window, the scores and the reasons.
• The code is licensed AGPL-3.0 and the equipment data CC BY-SA 4.0. Every rule on this site is in the code.

This site is provided open-sourced and completely free to use. If you like any of our recommendations, or just love what we're doing, please use our affiliate links so we can continue this free project and expand on it.