Fret leveling with strings on - RECTIFY Master - fret leveling with strings on

Guitar Maintenance Tips for Peak Performance GMI - Guitar & Music Institute Online Guitar Lessons

Strings On - The Katana Fret Leveling System by RECTIFY Master.

Taking the plunge - Fret Crowning File

RR Kit - RECTIFY Master - fret leveling with strings on

Innovation - RECTIFY Master - fret leveling with strings on

Reference fret level - RECTIFY Master - fret leveling with strings on

Understring Leveling Beam & String Change / Tension

Levelling frets under string tension is the only way to be 100% confident you are going to get the job done effectively and as accurately as possible

Wudtone UTFL - Under Tension Fret Leveller

DIY Fret Leveling