- Adjust the ANGLE INDICATOR before intallation to rifle scope.
- STEP 1 place the item on flat
- STEP 2 Screw the brass spike and spin the cover
- STEP 3 When the 0 on the red line press the cover and screw tightly.
- Fit 25.4mm and 30mm Rifle Scope tube. With this scope level and angle indicator helps precise shooing