Titleist Pro V1x Left Dash Golf Balls Dozen Pack – 2020 Titleist's Pro V1x Left Dash Golf Balls were originally developed for PGA Tour use as a Titleist Customised Performance Option, back in 2018, but now, this model delivers a different combination of performance characteristics to that of its siblings; Pro V1 and Pro V1. The Titleist Pro V1x Left Dash Golf Balls allow players to finetune their Flight, Feel, and Spin. Features & Benefits Extraordinary distance with consistent flight Lower full swing spin than Pro V1x Slightly lower flight than Pro V1x Firmer feel than Pro V1x Drop-and-Stop short game control