Game Improvement Irons
Perimeter-weighted cavity backs with wider soles, more offset and stronger lofts, aimed at mid handicaps.
7-iron specifications compared
| Model | Years | Loft (°) | Lie (°) | Length (in) |
|---|---|---|---|---|
| Ping Eye | 1978–1982 | 36 | 62.5 | 36.75 |
| Ping Eye 2 | 1982–1993 | 36 | 62.5 | 36.75 |
| Ping Zing | 1992–1994 | 34.5 | 63.5 | 36.75 |
| Titleist DCI Gold | 1993–1998 | 36 | 61.5 | 36.5 |
| Callaway Big Bertha | 1994–1996 | 33 | 62.5 | 37 |
| Ping Zing 2 | 1994–1996 | 34.5 | 63.5 | 36.75 |
| Ping ISI | 1996–1999 | 34.5 | 63.5 | 36.75 |
| Callaway Big Bertha X-12 | 1998–2000 | 33 | 62.5 | 37 |
| Titleist DCI 981 | 1998–2001 | 35 | 63 | 36.75 |
| Ping i3 O-Size | 1999–2003 | 34.5 | 62.5 | 36.75 |
| Callaway Steelhead X-14 | 2000–2002 | 33 | 62.5 | 37 |
| Titleist DCI 762 | 2001–2003 | 34 | 63 | 37 |
| Callaway X-16 | 2002–2004 | 34 | 62.5 | 37 |
| Cobra King Cobra SS Oversize | 2002–2003 | 34 | 62.5 | 37 |
| Cobra SS-i Oversize | 2003–2004 | 33 | 62.5 | 37 |
| Ping G2 | 2003–2005 | 34.3 | 62.28 | 36.75 |
| TaylorMade rac OS | 2003–2005 | 33 | 63 | 36.75 |
| Callaway X-18 | 2004–2007 | 33 | 62.5 | 37 |
| Cleveland Launcher | 2005–2010 | 33 | 62.5 | 37 |
| Ping G5 | 2005–2007 | 34 | 62.28 | 36.75 |
| TaylorMade r7 Draw | 2006–2008 | 32 | 63 | 36.75 |
| TaylorMade r7 | 2006–2007 | 32 | 63 | 36.75 |
| Callaway X-20 | 2007–2009 | 33 | 62.5 | 36.75 |
| Ping G10 | 2007–2009 | 34 | 62.25 | 36.75 |
| Callaway X-22 | 2008–2010 | 33 | 62.5 | 36.75 |
| Adams Idea a7 | 2009–2011 | 33 | 62 | 37.25 |
| Cleveland CG7 | 2009–2010 | 33.5 | 62.5 | 36.75 |
| Cobra S2 | 2009–2011 | 31 | 63 | 37.25 |
| Ping G15 | 2009–2011 | 32 | 62.25 | 36.75 |
| TaylorMade Burner | 2009–2010 | 31 | 63 | 37 |
| TaylorMade Burner Plus | 2009–2010 | 32 | 63 | 37.25 |
| Wilson Staff Ci9 | 2009–2011 | 32 | 62 | 37.5 |
| TaylorMade Burner 2.0 | 2010–2011 | 31 | 63 | 37 |
| Adams Idea Tech V4 | 2011–2013 | 32 | 62.25 | 37.5 |
| Cleveland CG16 | 2011–2012 | 31 | 63 | 37.25 |
| Cobra S3 | 2011–2012 | 31 | 62.5 | 37.25 |
| Ping G20 | 2011–2013 | 32 | 62.25 | 36.75 |
| Wilson Staff Ci11 | 2011–2013 | 32 | 62 | 37.5 |
| Callaway X Hot | 2012–2013 | 30 | 62.5 | 37 |
| Cobra AMP | 2012–2013 | 31 | 62.5 | 37.25 |
| TaylorMade RocketBallz | 2012–2012 | 30.5 | 63 | 37 |
| Callaway X2 Hot | 2013–2015 | 30 | 62.5 | 37 |
| Cobra AMP Cell | 2013–2013 | 31 | 62.5 | 37.25 |
| Cobra BiO Cell | 2013–2015 | 30.5 | 62.5 | 37.25 |
| Mizuno JPX-825 | 2013–2014 | 32 | 61.5 | 36.75 |
| Nike VR_S Covert | 2013–2014 | 31 | 62 | 37.5 |
| Ping G25 | 2013–2014 | 32 | 62.25 | 36.75 |
| TaylorMade RocketBladez | 2013–2014 | 30.5 | 63 | 37 |
| Adams XTD | 2014–2015 | 31 | 62 | 37.25 |
| Ping G30 | 2014–2016 | 30.5 | 61.88 | 37 |
| TaylorMade RocketBladez 2.0 | 2014–2015 | 30.5 | 63 | 37 |
| Adams Tight Lies | 2015–2017 | 33 | 62 | 37 |
| Callaway XR | from 2015 | 30 | 62.5 | 37 |
| Cobra Fly-Z | 2015–2015 | 30.5 | 62.5 | 37.25 |
| Cobra KING F6 | 2015–2017 | 30 | 62.5 | 37.25 |
| TaylorMade RSi 1 | 2015–2016 | 30.5 | 63 | 37 |
| Callaway Steelhead XR | from 2016 | 30 | 62.5 | 37 |
| Mizuno JPX-900 Hot Metal | 2016–2018 | 31 | 61.5 | 36.75 |
| Nike Vapor Fly | 2016–2016 | 32 | 62.5 | 37.75 |
| Ping G | 2016–2017 | 30.5 | 62 | 37 |
| TaylorMade M2 (2017) | 2016–2018 | 28.5 | 63 | 37 |
| TaylorMade M2 | 2016–2016 | 28.5 | 63 | 37 |
| Cleveland CBX | 2017–2019 | 30 | 62.5 | 37 |
| Cobra KING F7 | 2017–2017 | 30 | 62.5 | 37.25 |
| Ping G400 | 2017–2019 | 30 | 62 | 37 |
| Titleist 718 AP1 | 2017–2019 | 30 | 63 | 37 |
| Wilson Staff D300 | 2017–2019 | 29.5 | 62 | 37.5 |
| Ben Hogan Edge | 2018–2021 | 34 | 62.5 | 37 |
| Callaway Rogue | from 2018 | 30 | 62.5 | 37 |
| Cobra KING F8 | 2018–2018 | 29.5 | 62.5 | 37.25 |
| Mizuno JPX-919 Hot Metal | 2018–2020 | 30 | 61.5 | 37 |
| TaylorMade M4 | 2018–2018 | 28.5 | 63 | 37 |
| Cobra KING F9 Speedback | 2019–2020 | 29.5 | 63.5 | 37.25 |
| Ping G410 | 2019–2021 | 30 | 62 | 37 |
| TaylorMade M6 | 2019–2019 | 28.5 | 63 | 37.5 |
| Titleist T300 | 2019–2023 | 29 | 63 | 37 |
| Wilson Staff D7 | 2019–2021 | 28 | 62 | 37.5 |
| Callaway Mavrik | from 2020 | 27 | 62.5 | 37 |
| Cobra KING Speedzone | 2020–2020 | 27.5 | 63.5 | 37.25 |
| Mizuno JPX-921 Hot Metal | 2020–2022 | 29 | 61.5 | 37 |
| TaylorMade SIM Max | 2020–2020 | 28.5 | 63 | 37.25 |
| Ben Hogan Edge EX | 2021–present | 32 | 62.5 | 37 |
| Callaway Apex DCB | 2021–present | 30 | 62.5 | 37 |
| Cobra KING Radspeed | 2021–2021 | 27.5 | 63.5 | 37.25 |
| Ping G425 | 2021–2023 | 30 | 62 | 37 |
| Srixon ZX4 | 2021–2023 | 28.5 | 62 | 37 |
| Takomo 101 | from 2021 | 30 | 62.5 | 37 |
| TaylorMade SIM2 Max | 2021–2021 | 28.5 | 63 | 37.25 |
| Wilson Staff D9 | 2021–2023 | 27 | 62 | 37.5 |
| Callaway Rogue ST Max | from 2022 | 27.5 | 62.5 | 37 |
| Cobra LTDx | 2022–2022 | 26.5 | 63.5 | 37.25 |
| Mizuno JPX-923 Hot Metal | 2022–2024 | 28.5 | 61.5 | 37 |
| TaylorMade Stealth | 2022–2023 | 28 | 63 | 37.25 |
| Callaway Paradym | 2023–present | 29 | 62.5 | 37 |
| Callaway Paradym X | 2023–present | 27.5 | 62.5 | 37 |
| Cobra Aerojet | 2023–2023 | 26.5 | 63.5 | 37.25 |
| Ping G430 | 2023–2025 | 29 | 62 | 37 |
| Srixon ZX4 Mk II | 2023–2024 | 28.5 | 62 | 37 |
| Titleist T350 | 2023–present | 29 | 63 | 37 |
| Wilson Dynapower | 2023–2025 | 27 | 62 | 37.5 |
| Cobra Darkspeed | 2024–2025 | 27 | 63.5 | 37.25 |
| TaylorMade Qi | 2024–2024 | 28 | 63 | 37.25 |
| Cobra DS-ADAPT | 2025–present | 27 | 63.5 | 37.25 |
| Ping G440 | 2025–present | 29 | 62 | 37 |
| Wilson DYNAPWR | 2025–present | 28 | 62 | 37.5 |
| Takomo 101 MKII | 2026–present | 29 | 62.5 | 37 |
Figures shown are the 7-iron from each set (or the nearest middle iron where a 7-iron is not on file). Follow a model link for the full set chart.