RAD Arm Blaster Body Building Bomber Bicep Curl Triceps Muscle Builder RAD Arm Blaster used to enhance bicep curls, allows user to build lean and big muscle . Top Quality Biceps Isolator, Black Color Arm Blaster . Heavy Plastic Buckle for Clip keeps Belt Secure.Can fit around any sized body. RAD Uniquely contoured rigid metal design allows you to isolate your arms and shoulders The strap features a quick release to adjust it to the perfect position.Comes with neck strap, with supreme v2 foam neck padding.