These fluorescent arrow wraps are made from a super bright neon vinyl that is MUCH brighter than the imaging can show. Don't worry, these things are going to POP! The fluorescent wraps are not available with laminate armor.
.75? - your smallest micro diameter arrows on the market. You arrow better be SMALL!
1.125? - fits the stiffer spine arrows 400 spine and up, but not your fatboy style arrows! Also works well with the crossbow bolts.
1.25? fits most of the fatboy style carbon arrows around 23/64?.
1.4? is for only the largest circumference arrows available on the market: your 27/64"
1? - fits most standard diameter carbon arrows from 500 spine and smaller.
How to calculate the arrow wrap width needed. Take the outer diameter of your arrow (be sure to check for your spine) and multiply by 3.14. i.e. (.300 x 3.14 = .92?) This means you will have .08? overlap on a 1? wrap. You want to try and keep the overlap around .10?. If you go to short it may not stick and if you go way too short there will be a gap. You definitely do not want that.