National Reso-Phonic Revolution® Biscuit-Bridge base

• CNC Machined Aluminum

• Height Adjustable (Maximum .05")

• Intonated strings

• Superb string response and sustain

• Not affected by humidity

• Black Hard Anodized 

• Use's replaceable saddles inserts

• Saddles available in various different wood species

Package comes with the following items.

• Revolution Bridge Base

• Height Adjustable screws

• Resonator mounting screw

• T10 Torque Key for mounting to resonator and adjusting saddle height

• 1/16th Allen Key to remove coverplate strap

• PSA backed sandpaper