The Redrock microShoulderPad with Rod Clamp is a complete kit used to attach the Redrock shoulder pad to 15mm rods (60mm spacing). The shoulder pad comes with a high-quality rubberized foam padding and molded to fit the shoulderThe Redrock microShoulderPad with Rod Clamp can be attached to the rods easily through the thumb screwsThe microShoulderPad with Rod Clamp can also be moved forward and backward on the rods for the best comfort and supportThis camcorder accessory weighs 27.5 oz