JIUWU 42mm Black Nut Wrench Screw for Floyd Rose Tremolo Double Locking System

100% Brand new,never used This is a top mount design in which the mounting screws go through the top of the unit. This is the larger sized 42mm locking nut which can be used with your double lock system, or it can be used in other designs also. Material : Metal Color: Black Length:42mm Thickness:Approx.15.5mm Height:5.5mm-9mm Annex:1x3mm Six angle Wrench+2xscrew Package Included: 1x Electric Guitar Locking Nut 1x Six angle Wrench 2 x Screw