Description Our bicep blaster keep your elbows locked in place to isolate the biceps during curling exercises which forces the only isolated biceps to flex leading to enhanced biceps.It also helps you to keep the correct posture instead of being injured. Features - Color:Black. - Material:Aluminum alloy. - Size: About54.00X10.00X0.50cm/21.22X3.93X0.20inch. - Made of aluminium alloy material for durable and long lasting use. - Correction of poor posture in pull-up to strengthen arms, ergonomic, high support and density, skin-friendly. - Light aluminum plate, whether it is weight training or equipment training, the arm is the basic support point. The full biceps is one of the most impressive areas. - It can be adjusted for individual users needs. It is convenient and easy to use. - Used to bicep. It allows user to build lean and big muscle.Package list: 1 x Arm Blaster