How much does this cost to the nearest dollar?

Guyker Aluminum Fretbar Understring Leveler - 18” Fret Sanding Leveling Beam File Bar Luthier Tool for Guitar & Bass Repair & Maintenance CNC Machined (1 Piece, 457mm Length)
Guyker fret sanding leveling beam great for luthiers, guitarists, and many DIY fret work or maintainence. With the Fretbar you'll level the frets with the exact tension the neck has when played. This is because the Fretbar fits UNDER and BETWEEN the strings, with the guitar tuned to pitch. Suitable for the fret leveling of electric guitar, electric bass, acoustic guitar, electric box guitar etc. Features - Designed for leveling work of guitar neck frets. You can level your frets...with the strings ON! - Made of

Price is $51.00
Price: $50.99