You would need a size 1
The price will be dependant on the finish that you desire
I got mine in shiney black
Cost me $31.75 for T-grip and shipping
http://www.t-grips.com/
Dito on the Tyler T-Grips! Put one on my 4" Service Six last year, then had to order a second for my son's newly purchased (Christmas present) 4" Service Six. Looks good, feels good, shoots good! (Sorry, I don't know how to post pics...just shoot straight.)
You would need a size 1
The price will be dependant on the finish that you desire
I got mine in shiney black
Cost me $31.75 for T-grip and shipping
http://www.t-grips.com/