Brunswick Powrkoil XF Wrist Support
Rev up your game with the Brunswick Powerkoil XF wrist positioner. Extended index finger support enhances side roll for improved length and back-end hook angle. Feather-light, durable aluminum construction Lateral adjustments position the hand for changing the forward roll and spin of the bowling ball. Adjusting screw allows fine-tuning of the forward wrist cup positions for rev control.