kb here    seen some guys useing a  what looked like a 1/2oz  spinner bait  with a single silver colorado blade  also had a 1/2 oz single willow blade.  and they were slow rolling the bait and were catching some nice bass. any of you guys do this if so what size colorado blade  and what size willow blade are you useing with a 1/2oz spinner   and what color   chrome or gold or both the willow blade from a distance looked  a lot bigger is the normal size willow a 7 or 7.5  blade  thanks  kb

5/0 Gold Colorado Blade  

5/0 is probably the largest "standard" blade size.  I make my own spinnerbaits and find smaller blades work better for me.  I use a size 4 for the vast majority of the ones I make.