Everything You Need in One Set: this fingerboard frets protector set includes three wide finger guards, three narrow finger guards, and twelve rubber bands to secure the guards in place; This is a nice combination to help you enjoy the music you love | Convenient Design: the notches on one edge of the fingerboard guards are a nice touch for holding the guard in place with a rubber band, ensuring that they won't fall off during use; They are convenient and simple to use, freeing up both hands for the job at hand | Protect Your Guitar: this fingerboard guard set is a useful tool for luthiers, guitarists, and do it yourself musicians; The protectors can keep your guitar or bass fingerboard safe from scratches or damage during filing and polishing; Please remove the burrs on the edges before use and pay attention to safety during use to prevent accidental cuts and scratches | Durable and Resilient Material: these fingerboard guard protectors are constructed from quality stainless steel, which is resistant to rust and deformation; They will serve you for a long period of time, providing a nice and smooth using experience, making them a necessary component for any guitar maintenance tool kit | Two Sizes to Meet Your Needs: the fingerboard protectors are available in two different sizes, the wide one measures approximately 3.2 x 0.9 inches, while the narrow one is 3.2 x 0.5 inches; These varying sizes make them suitable to meet your guitar maintenance requirements; They will help to prevent scratching or damaging the guitar or bass fingerboard while filing and polishing the frame