Jo-Ral B7 Bass Trombone Cup Mutes are made of spun aluminum, and have been tested to perform evenly in all registerscreating an exciting tonal quality that results in near-perfect intonation. Jo-Ral mutes also feature neoprene-enhanced composite cork pads that provide extra durability. The result is a more pliable cork that grips well and doesnt dry out, become brittle or break offso it lasts longer while easily accommodating fine adjustments for a perfect fit.

Features:

• For a standard bass trombone
• Crafted from lightweight spun aluminum
• Great for cocktail jazz and big band
• Near-perfect intonation
• Pliable neoprene-enhanced composite cork pads offer lasting durability and grip
• Soft felt cap for extra protection
• Made in the USA