Great routine to hit the biceps hard. When doing the standing bicep barbell curls make sure you hold the bar with a shoulder width grip. This routine of lower reps with heavier weight and then light weight with higher reps will lead your muscles into growth.
Standing bicep curl with barbell- 6 reps
SUPER SET WITH
Standing dumbbell hammer curl ( both arms lifted together )-12 reps
Rest 90 seconds and repeat 2-3 more times.