The Tama CA45EN is a long boom cymbal holder with a pipe diameter of 19.1 mm and a length of 45 cm. It features a Quick-set Tilter for easy angle adjustments and can be mounted using Tama’s MC61, MC62, or J24 clamps. The boom arm can retract into the stand pipe for compact storage, making it a versatile and professional-grade option for customizing drum setups.