This is a set of 4 pieces: 18 bridge pins and 1 end pin for acoustic guitars. 1. Bridge pins (ivory plastic) with inlaid dot x 6 2. Bridge pins (ivory plastic) with black dot x 6 3. Bridge pins (white plastic) with black dot x 6 4. End pin (ivory plastic) with inlaid dot This is a set of 3 types of bridge pins and 1 type of end pin. Please consider these for spares. Thank you.