This laer calibrator is made of high-grade alloy material, lightweight, high strength, corrosion resistance, and with long service . Highly accurate and adjustment-free design, the calibrator utilizes infrared , with a tube straight in for a more convenient and precise adjustment. 8-hole adjustable , suitable for 0.177 to 0.50 caliber.

Features:
Made of high-grade alloy material, lightweight, high strength, corrosion resistance, and with long service .
Infrared calibrator, has a long-distance, bright, and clear , which better helps calibration adjustment.
Highly accurate and adjustment-free design, the calibrator utilizes infrared , with a tube straight in for a more convenient and precise adjustment.
The compartment design is simple and beautiful, the tail part can be opened by unscrewing, convenient and practical.
8-hole adjustable , suitable for 0.177 to 0.50 caliber.

Specifications:
Name: Calibrator 
Material: alloy 
Color: red, green (optional)
: 1 * CR2 (included)
: <5MW
Diameter: 4.2mm
Item size: 166 * 18 * 18mm / 6.54 * 0.71 * 0.71in
Item weight: 60g / 2.12ounce
Package size: 195 * 104 * 30mm / 7.80 * 4.09 * 1.18in
Package weight: 131g / 4.62ounce

Packing List:
1 * Calibrator 
1 * Screwdriver
8 * Adjustable
2 * Screw
1 *