Specs

The ThunderBolt putter complies to the 2019 USGA equipment rules and has the following physical characteristics:

Lengths	34, 35, and 36 inches
Total Head Assembly Weight	429 grams
Weight of Rear Weights (ea)	105 grams
Lie Angle	70 degrees
Face Angle	0 degrees
Shaft	Chrome plated steel
Grip	Midsize Putter Grip

 

Putter length, per USGA requirements, is measured from the end of the grip to a point in the bottom where the head touches the playing surface