Advanced Music Products(AMP) is a division of Advanced Plating Inc(API). They manufacture products for all the big boys. Ernie Ball®, Fender®, Gibson®, etc. Made in the USA. Over 60 years in the industry. OEM fit and finish. Trust the brand your favorite brand's trust. The near impossible to find is now possible. Get in on this limited edition run before the JuJu runs out. Individual Voodoo 3-way switch washer. Hot stamp. ABS plastic. Black with Blood Red lettering.