The Innovative Percussion Fundamental Series F6 Hard Cord Rattan Vibe Mallets feature rubber cores to create a full rich tone across the vibraphone. These mallets are wrapped tightly with woven multi-ply cord for increased durability. Manufactured by the leader in high quality keyboard mallets, the Fundamental Series was specifically designed with the beginning percussionist and budget conscious band director in mind. This economical series offers the beginning percussionist and banddirector a quality product at an affordable price.