How big is the sweet spot of your irons?

In our biggest questions answered series, we decided to find out - just how big is the sweet spot of your irons?

Asyxstar Golf Impact Tape Set - Impact Tape for Golf Clubs Golf Training aid,Self-Teaching Sweet Spot and Shot Consistency Analysis, Golf Club Impact Stickers for Woods Irons and Putters 300Pcs

Where is the Sweet Spot on a Golf Iron? - GolfingInsides

Instruction: How to hit the sweet spot on the club every time - National Club Golfer

How to Find That 'Sweet Spot' for Further Distance - Bobby Walia Golf

Instruction: Nail Your Irons In 2019 - Colorado AvidGolfer

당신의 아이언의 달콤한 장소는 얼마나 큰가? - 전시회 - TH-SPORT

Sweet Spot - Golf Club Part - Illustrated Definition & Guide

Putting Drill 109. Technique: The Sweet Spot Test

Golf Sweet Spot Basics – How to Hit the Sweet Spot More Often