Amazon.com: Guyker 43mm Stainless Steel Ball Adjustable Guitar Nut - Adjust Bridge Nut Split Regulation Replacement Parts Compatible with Gibson Les Paul LP Style Guitar : Musical Instruments
Nut - Fender®, LSR Roller for stabilizing tuning | Amplified Parts
Installing a Fender LSR roller nut - Strange Guitarworks
Amazon.com: Kaynes 43mm Height Adjustable Brass Roller Guitar Nut Replacement for Les Paul LP SG Style Electric or Acoustic Guitars : Musical Instruments