All Pro Adjustable Bicep Conditioner 3-lb pair (1-1/2-lbs each) upper arm weights; 12 1/4-lb wt. Weight adjustable up to 1-1/2-lbs per arm in 1/4-lb increments - solid iron weights Develop strength, endurance & toning for biceps Neoprene lining for good fit & comfort Premium quality for fitness, health and wellness