TPI-C-ING Faber 5/16-24 Inch Tailpiece Inserts (pair) Steel, nickel plated, glossy
TPI-C-ING, 5/16-24 Inch Tailpiece Inserts (pair) German Carbon Steel, nickel plated, gloss
inner thread: 5/16-24 Inch
outer diameter: 11,2mm (fits 11mm holes)
length: 25mm