Laser calibrator collimator

material: aviation aluminum, secondary anodized material, strong and durable.
Allows you to quickly and accurately reset any scene (iron, optical, laser, holographic, etc.).
Suitable for any caliber of 0.22-0.50 diameter (5.59 to 12.7mm diameter).
Power supply: 3 × AG13 button battery
material: aviation aluminum
color: Black
packing weight: 137g
size: 162 × 17 × 17mm
packing size: 190 × 82 × 30mm
the package includes:
1 * laser drilling
5 * adjustable adapter
1 * screwdriver
1 * screw
1 * battery compartment
1 * Manual
3 * AG13 Electronics
1 * wrench