Protec A329 Instrument Bell Cover, Size 18 - 20" (457 - 508mm) Diameter. Ideal for Tuba and Other Larger Bells. 3.5mm TRS Female b : Width 58mm at

b : Width 58mm at 24F

a pure single-coil sound

XS is the most innovative coated string ever created

Easy-Grip Tension Knob Height Adjustment

Light enough amaze in terms of comfort

Protec A329 Instrument Bell Cover, Size 18 - 20" (457 - 508mm) Diameter. Ideal for Tuba and Other Larger Bells. 3.5mm TRS Female b : Width 58mm atPlay it, don't spray it! Ideal for Tuba and Other Larger Bells. Protec bell covers are available in different sizes; measure your bell to determine the best size cover. Protec bell covers feature a clean professional look and is double layered to help slow the spread of aerosols. Excellent playability and easily goes over the bell. To clean, simply hand wash and air dry. Disclaimer: These are non medical grade bell covers and make no medical claims to