Check the listing for details. Mrx Heavy Duty Arm Isolator Blaster Weight Lifting Support for Strength Blaster. Condition: New. Listed at 19.99 USD. Heavy Duty Arm Isolator Blaster Body Building Workout Bomber Bicep Curl Triceps Heavy Duty Protection: MRX Top Quality Top quality lightweight Arm Blaster Bicep and Triceps Curling maximum protection. Our muscle arm blaster can fit any sized body and has padded support in the elbow and neck. It is used to enhance bicep curls, acting as an arm lift belt as it helps users build muscle.Strength-Building Advantage: Our bicep bomber is the best big arms blaster for serious weight lifting. This biceps isolator arm blaster eliminates discomfort that other arm blasters cause with its addition of neck strap padding.COMFORT FIT: Features thick padded elbow pads for safety and comfort, supreme foam neck padding and fully adjustable strap to give you premium comfort and stability. Carefully designed with continuous research by fitness experts, customer’s demand and satisfaction research.Unique Contoured Shape: The padded neck strap is quick release so you can to adjust it to the perfect position. With the addition of elbow pads, our blaster reduces unnecessary stress put on arms when performing curls. With our design, blood will pump a lot quicker to your biceps and forearms allowing more energy to be used.INCREASE STRENGTH & TECHNIQUES: Our Arm Curl Blaster keeps elbows locked closer to the body to avoid swaying, which forces your biceps to do all the work.