The GF-CAP is engineered with the gigging musician in mind. Super lightweight yet extremely durable, each GF-CAP is designed by musicians and built by musicians. Everyone involved in riveting, cutting, and assembling these GF-CAP understands first hand what these things go through. We back our GF-CAP with a lifetime warranty against material defects or shoddy workmanship. Comes in packs of 6. Allen wrench included.