Optical boresighter for zero setting of any scopes indoor or outdoor without shooting a single bullet
Including 15 arbors for calibers: .177, .22, 6mm, .25, 6.5mm, .27,7mm, .30, .32, .338, .35, .375, .44, .45, and .50
Works for handguns and rifles
Dimensions:14 x 8.6 x 4.6 cm
Gross weight:046kg
