Irwin fall 2023

Name Ball Coverstock Drilling Layout Core Weight RG Diff MB Diff Notes
Phaze II Storm Phaze II Phaze II TX-16
Solid Reactive
Dual Angle
90° × 4.5” × 35°
Phaze II
Symmetric 		14 pounds 2.530 0.050
Phaze V Storm Phaze V Phaze V R2S Pearl
Pearl Reactive 		Phaze V
Symmetric 		14 pounds 2.530 0.050
Reality 900 Global Reality Reality S84 Response Solid
Solid Reactive
Dual Angle
65° × 5.1” × 35°
Reality
Asymmetric 		14 pounds 2.500 0.052 0.018
Zen 900 Global Zen Zen S77 Response Pearl
Pearl Reactive
Dual Angle
50° × 4.5” × 30°
Zen
Symmetric 		14 pounds 2.500 0.051