The Challenger is an amazing overstable putter, and very popular with advanced players. It can get around trouble for those long hyzer putts and is overstable enough to take a good amount of snap on approaches.

Manufacturer’s Flight Ratings:

Stability	Speed	Glide	Turn	Fade
1.0	2	3	0	2

Joe's Universal Flight Chart:

RNG	HSS	LSS	PWR
2	0	2	1