The knob shown in the bat preview above is the standard Model H2 knob.
Previews of the ProXR Knob and X Knob are not available.
Standard Knob
Bat will come with the standard Model H2 knob, as shown in the preview above.
ProXR Knob +$20.00
Pair MaxBats flawless craftsmanship with ProXR grip technology to deliver an exclusive level
of hitting performance! True innovation creates a knob that works with a batter's hands
to create a smoother swing, resulting in increased bat speed and exit velocity. This
unique design causes less pressure in the batter's wrist and hand, thus being a benefit
to the health and comfort of the player. This knob ads the elusive edge every hitter
looks for in their bat. U.S. Pat. 7,744,497
X Knob +$10.00
The flared design of the X-Knob helps protect the hamate bone from bruising, and greatly
increases the bat's balance. Because of the shape, and where it comes in contact with your
lower hand, the X-Knob can ultimately increase overall bat speed too.
Get the ProXR Knob on any custom bat. 
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