HOSCO Precut Phosphor Bronze Frets Jumbo(.055" x .114") See images for full dimensions 24 pcs that are undercut for binding or hidden tang installations Each fret's width is based on a standard fretboard width...1.69"(43mm) at the nut and 2.08" (53mm) at the 12th fret plus an extra .02" (.5mm) 10"(250mm) radius (not available with a custom radius) Nickel free Rose gold color Warmer sound than nickel-silver frets Better wear resistance than nickel silver Hardness is HV250-290 which is between Stainless Steel and Nickel Silver for hardness