I have been buying from Science and Surplus (
sciplus.com ) for years. You have to buy $10.00 worth of stuff but you will be amazed at what you will find. I just bought some mechanical pencils for 6/$3.98. I got them and have only tried out the yellow one on black cloth and it worked great.
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SANFORD COLOR MECHANICAL PENCILS # 41300P2[/TD]
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