Money Back Guarantee”  …. Vollco is offering a 30 day money back guarantee on all orders when using a credit card through PayPal.  If for any reason you’re not completely satisfied with our products, and upon Vollco receiving the unsatisfied item within 30 days after the order was placed …. You’re credit card with be credited with a refund.
 

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Our Guarantee
 
If for any reason your product doesn't perform the way it was designed,
Vollco will replace the sharpening heads upon receiving the unsatisfactory item.
Its that simple...