The SHAPE additional counter-weight adds 4 lb. (1.82 kg) to the SHAPE base counter weight (PADCW2) for a total of 8 lb. (3.63 kg). It is also possible to add as many additional counterweights as needed.
The SHAPE additional counter-weight can be attached to the base counter-weight with two screws. It is made of lightweight aluminum for strength and durability. Its black powder coat paint gives it a professional looking finish.