Hornady - LNL OAL Gauges Aqua a caliber specific color coded

a caliber specific color coded handle and a barrel safe brass tip

non slip rubber grip that prevents damage to the rifle stock and eliminates the guesswork in determining what rod to use for what caliber

Instruction manual included

The unit has its own power source

Magnifier assists the marker with easier judgement

Hornady - LNL OAL Gauges Aqua a caliber specific color coded(Curved) For all autoloader, lever action, or pump action rifles. Also fits all bolt action and single shot firearms. Inserts into chamber through ejection port. Not compatible with Adapter "D" or short bodied cases. (Straight) Regulating seating depth and the resulting "jump" to the rifling is widely regarded as fundamental to improved accuracy. A few thousandths of an inch change between the bullet and the rifling can make the difference between