DTB ProXR bats are fully customizable and come with our 60 day warranty. The ProXR patented knobs are ergonomically designed to protect by reducing compression, improve performance, increase leverage and provide more power! DTB also offers 3 distinct knob designs instead of a one size fits all! This knob is also available in our BBCOR certified carbon fiber bat!
(US PATENT #7744497PROXR)