Sophia Nut -- R4 sized Upgrade for Headless and vintage Locking Nut 

• Individual string locks in vintage locking nut shelf with M4 screw pattern

• Features individual adjustment of the height of each side of the nut

• Extends towards the neck to hide cut strings and ball ends an extra .100+

• 43mm wide x .700 secured with the traditional asymetrical back-of-the neck 2 x M4 screws @ 14mm apart…

• Removable Nut -- R12, R16, R20 -- stainless or brass

• Milled Stainless Steel Body

• Approx 52 grams | 1.90 oz