The Spring Drum Thunder Tube is a Remo orignial that features a thunder-like effect that kids love. Constructed with an Acousticon shell a fixed spring and Fiberskyn drumhead material. Covered in a lightning graphic the Spring Drum Thunder Tube causes the spring to vibrate when shaken creating thunder-like sounds. Ideal for Recreational and sound effects applications. Features Spring Drum Thunder Tube 232 diameter 7 lengthSpecifications Size: 2.32 in. Dia. Width: 2.0 Length: 7 in. Series: Remo Drum Heads Format: Drums - SKU: HLLNR16294