The revolutionary permanent ID for balls!
Dude! We’re going to file it!
During filing 
with 50 hard strokes with the round side of a rough steel file.
Don’t try this with a Sharpie!
Close up of file grooves!
See rubber particle shavings on file and ball. Notice file groove across the letter "R" extending below the ball's surface!
Note: We don't recommend that you take a steel file to your balls. But, if a Ball Tattoo ID won't file off...... it likely won't wear off either.
The revolutionary permanent ID for balls! 
Your name, initials or ID won't wear off, rub off or.. 
even file off most balls!
Fastencil can be ordered directly from our on line store or from any of our retail partners
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Copyright © 2005 Fastencil Inc.  All rights reserved
Fastencil and Ball Tattoo are trademarks of Fastencil Inc. Patents are both issued & pending