At my house a little bitty equine vet kit like this one just doesn't work. There is just not enough stuff in it for my horses needs. And if you have a horse like my Money Pit, you really need a big one. 
I built up my own vet kit. first I went to Home Depot and got this really cool rolling tool box.
And then I stuffed it full of the majorly important stuff needed for a horse wound emergency. Unfortunately this tool box as big as it is, still isn't big enough for ALL the equine leg wraps, hock wraps, and knee wraps. Those all have a box of their own. This still has one package of roll cotton.
Several rolls of roll gauze.
Tons of Vet wrap
Betadine Scrub
Gauze pads
And a bunch of other topical ointments and wound care treatments.
Then the neat thing about this tool box is the upper level, where I've put things like bandage sissors
and Duct Tape, contractor grade tape is the best for wrapping hooves.
A hoof pick or two as well as some hoof knives.
a flashl
ight
ight 
and clippers to shave around wounds
Then in the lit there are a couple really small compartments that are perfect for a second small flashlight with extra batteries and needles and syringes.
So whats in your vet kit?
