HHA Optimizer Lite X XL Sight 1004211 Black. No more jumping your housing from hole to hole this new technology allows you to fine tune at 20 yards to maximize your sight tape range. Specifications for HHA Optimizer Lite X XL Sight 1004211: Manufacturer: HHA Color: Black Hand: Left Features of HHA Optimizer Lite X XL Sight: Micro windage adjustments left to right RDS sight tape technology Elevation adjustments can be made and locked down on the sight tape from 20 to 80 yards in 5-yard increments Compatible with HHA lens kits and HHA Blue Burst 2500 light Pin size: .019 Package Contents: HHA Optimizer Lite X XL Sight HHA LX-XL-5519LH: Optimizer Lite X XL Sight 1004211 Black