Black Iron Strength Bicep Builder® 2.0 Custom The finish on our Kettlebells

The finish on our Kettlebells is a military ‘spec’ hard chrome

The finish on our Cable Attachments is a matte stainless steel

the increments are in 2

and a pair of 1 lb

(Color: Navy Blue)

Black Iron Strength Bicep Builder® 2.0 Custom The finish on our KettlebellsQuick Hits The Bicep Builder allows the user to maintain constant resistance on the bicep muscle throughout the entire range of the curling motion. The user cannot rest the bicep muscle while performing the bicep curl with the Black Iron Strength Bicep Builder. The Bicep Builder is designed with a built in leverage factor to provide the bicep muscle with maximum resistance when performing a bicep curl. Built in cam effect during the rotary movement