Super Stroke Plus Series Dedicated Counter Core Weight 50g This counterweight provides a counter-balance effect by attaching it to the grip end of a 13.75-inch grip. It can be installed on the Plus Series grip end with CounterCore Technology. It provides a counter-balance effect and supports a stable stroke. Compatible with the Plus Series. Body only. Can be installed with a standard 4mm hex wrench. - Brand: Super Stroke - Model: CounterCore Technology - Weight: 50g - Color: Pink Thank you for viewing.