This size is common on banjo and a few classic Fender guitar, this set works with 24/22/21/20 or different frets Crown Width A= 2( inch), B=2(),Crown Height C=1( inch), Tang D= 1( inch), E=0( inch),F=0( inch) Pre-radiused, so it has a light 10 inch radius, you possibly can bend it to match your tool Pre-cut 24 frets set, every bit measures 70mm(2-3/4 inch) Hard stainless steel made, durable, maximum wear evidence