Quick easy bicep workout

I don't have a lot of time today at the gym so here is what I am doing for a time crunched arm workout. The % below represent that of your 1 rep max
  1. Close Grip Bench Press - warm up
    3 sets of about 20 at 35% 1RM
  2. Reverse Bicep Curl - warm up
    3 sets of 8 - 10 reps at 35% 1RM
  3. Preacher Curl
    5@50%, 5@60%, 3@70%, 2@80%, 1@90% - if you can do more on the last set, next time up your weight from the beginning.
  4. Skull Crushers
    5@50%, 5@60%, 3@70%, 2@80%, 1@90% - if you can do more on the last set, next time up your weight from the beginning.
  5. Hammer Curls
    3 sets of 4 - light weight, 4 sets of 2 heavy weight, 2 sets of 8 medium weight
  6. Dips
    3 sets, each to failure
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