For $85. you can increase the sensitivity of your stock Surfmaster toward low conductive gold items .

Start finding those deep, low conductive gold targets, up-grade now .

Targets that were un-distinguishable before can now be discovered
at 5" to 6" clearly.

I'm so sure that you will like the performance increases, I make this guarantee to you. If your not happy with the results, return the detector back to me within 30 days, and I will re-set the unit back to stock specifications at no charge to you, and refund your money paid for the modifications, less the shipping charges.

Mr. Bill