This laser bore sighter provides quick and accurate resetting of any sights, easy and efficient to use. The bright laser dot can be seen over 100 yards away at night. Fit for different kinds of hunting tools in the range of .177-.50 caliber diameters.

Features:
Provides quick and accurate resetting of any sights, easy and efficient to use.
Eight expandable adaptors to fit .177 to .50 caliber diameters.
Crevices on adapters keep calibers firm.
The bright laser dot can be seen over 100 yards away at night.
Screw driver, battery and a wrench included,easy to install.

Specifications:
Material: Aluminum Alloy
Visible Range: 100yards
Weight: 50.6g / 1.7oz
Powered by: 1 * Lr44 / CR2 / 14250 Battery(Not include)

Package List:
1 * Laser Bore Sighter
1 * Screw Driver
1 * Wrench
1 * Instruction
8 * Adaptor
8 * Screw Nut