Make sure you get the newest material out for quikspin because it holds up better. They definitely work great in my experience with them. I wish they came out in more colors in the 2" speed hunter.
I've used them and they seemed to improve my accuracy after around 25+ yards...25 yards or less, my factory glued vanes shot comparably to them. They are expensive and they were not very durable in my opinion. I like the way they helped me shoot past 30 yards, but phased them out last year due to the costs.
The new QS Speed Hunter ST's are as durable as Blazers. They work as advertised!! The Tiger stripe Blazers took a big price increase this year, so the gap in price is narrowing, at least with the Tiger stripes
In my opinion they are noisy... I can hear the arrows in flight with them on.
__________________
Hoyt Carbon Element RKT Blackout
Axcel Armourtech HD Sights
Easton Arrows
United Bowhunters of Pa. Member
Rocky Mountain Elk Foundation