RDX Arm Blaster Biceps Isolator Bomber Fitness Gym Workout Training Support Uniquely contoured rigid metal design allows you to isolate your arms and shoulders Webbed nylon belt, a thick, oversized neoprene neck pad, and dense elbow pads The strap features a quick release to adjust it to the perfect position Bulk up your biceps each time you grab a workout bar with the RDX Bicep Bomber Product dimensions: 23" L x 4" W x 4" H, Product weight: 1 Kg. One size fits all