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Ball liner marker (Model:BL-42P)
How to use
1. the cover and revolved at 90 degrees in both sides
2. Open the cover and put the ball inside
3. Drawing the line following the guide line
1. Push the hook cover and open
2. Put the ball inside , push the cover back to close down
3. Tumed it around anti-colckwise after lines, obtained the accrate marked lines
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