Edward Van Halen has created a revolutionary new patented device, called the EVH D-Tuna, that enables players to drop from E to D and back, in an instant. He's been using it on his guitars for 5 years, it's simple to use and it works. 

If you haven't heard about the D-tuna, here's the scoop. It's an ingenious device that lets a player drop from E down to D and back again without the hassle of clamping and unclamping.  More Information>>>

Ever since it's introduction, the Floyd Rose Tremolo System has set the standard for innovative design and precision construction. No copy can duplicate the patented double-locking design of the Floyd Rose Tremolo system that allows you to lock your guitar in tune at the nut and at the bridge. 

It's high quality steel parts are manufactured to exacting specifications. And it's available in a variety of nut sizes that will fit practically any electric guitar. More Information>>>