Quick Summary
The IR RH QTM MAX OS 4 Elvate 85 ST STF is a right-hand golf iron in the Quantum Max OS line. It is described as an oversized game-improvement iron built around maximum forgiveness, powerful speed, and consistent carry.
The key product cues in the name point to a 4 iron, an Elevate 85 shaft reference, and a stiff flex. Those details matter because they affect how the club fits into a golfer’s set and how it is matched to playing preferences.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Product type | Golf iron, suited to a set-based club choice. |
| Handedness | Right hand, so the club is intended for right-handed golfers. |
| Club number | 4 iron, which matters for set gapping and the role this club fills in the bag. |
| Shaft reference | Elvate 85, a named shaft reference that buyers should match carefully when comparing offers. |
| Flex | STF, an exact flex marking that should be checked against the buyer’s preferred setup. |
| Head shape | Oversized shape, which is a central part of the club’s identity. |
What to Compare Before Buying
- Hand orientation: This club is marked right hand. Confirm that matches your playing side before choosing an offer.
- Club number: This is a 4 iron. Check whether you want this specific loft slot in your set or a different iron number.
- Shaft marking: The Elvate 85 shaft reference is part of the club’s identity. Make sure it matches the setup you want.
- Flex marking: The STF flex marking should be compared with the flex you normally play.
- Set role: As an oversized iron, this club is aimed at forgiveness and carry within a larger iron set, so confirm that style matches your preference.
Before You Decide
Confirm the right-hand orientation, 4 iron number, and Elvate 85 STF shaft marking before choosing an offer. If you are building or replacing part of a set, make sure this club matches the rest of your irons in the way you want to play.





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