Helix Knob - Designed for consistent thumb placement, the Helix Knob™ features a ridged profile that aligns perfectly with your thumb knuckle for stable, repeatable shots. Cerakoted for durability and fits the UV Button™ or most thumb button releases.
Contor Knob - Ergonomic dished thumb knob with non-slip spiral grooves for a consistent anchor point. Cerakoted for durability and fits the UV Button™ and most other thumb button releases.
