Traditional round wood beater head for a solid sound that reverses to a soft sponge beater with amazing rebound for additional SPEED. The sponge is great for a cajon or for quite practicing on a bass drum. This quick release bass drum beater head is ideal for extreme volume variations. Stainless steel adapter shaft REQUIRED but NOT INCLUDED. FEATURES • Speed Shift to 9 different heights to switch volume, sound and speed in seconds! • Two-way, reversible beater head includes a solid maple head and a sponge foam surface head • Black aircraft grade aluminum shaft • Beater head rotates 360 degrees. Turn 90 degrees to lock, unlock or remove • Limited 1 Year Warranty. See Warranty • Made in USA