I always buy the largest frame R-bend. I custom cut for size for every single size and style I make. Once I have It balanced out, I put the sample in a ziplock bag with all the info on it.
Type of bait, weight, wire size, hook size, and color code. For that mold I will put a colored mark inside the mold to get the hook and wire in the same place to keep them consistant. I use 0.35 for 1/2 oz and under and 0.40 for 1/2 oz and up.