CANOPUS BTB-65 [BoltTight Tuning Bolts / Pack of 20] Tenor Sax An alloy of copper and

An alloy of copper and zinc is called brass

● Optimized frequency response provides clear

Back pocket: 20

sharp accented China sound

CANOPUS BTB-65 [BoltTight Tuning Bolts / Pack of 20] Tenor Sax An alloy of copper andCANOPUS BoltTight tuning bolts installed "Bolt Tight" is a washer made from genuine leather with special processing. It has been highly praised and used by domestic and international artists and overseas drum manufacturers for many years. BTB eliminates the hassle of attaching Bolt Tight to the bolts, making it easy for anyone to attach to the drum. Please check the compatibility table before purchasing. Bolt Tight Tuning is now so easy! Amazing