B3 Exact 3d Q2 Mathews Bar Sight LH All machined parts for exceptional durability;Three-axis adjustments for full control;6" 7 series aluminum bar for a strong foundation;Fast pitch elevation rod for rapid adjustments;Dual adjustable indicators for consistency;Spring-loaded detent system to keep settings in place;Infinitely adjustable sight scale for precise measurements;Dovetail, Bridge-Lok, and Pic rail for versatile mounting;Laser-engraved metal scales for long-lasting accuracy;Most precise micro-adjust windage unit for fine-tuning