Evans 20" EMAD Calftone Bass Drum Head Diplomat Coated the Bit Key has a

the Bit Key has a 1/4 inch hexagonal shaft for use with most cordless drills and screwdrivers

adjust and tear down

•Two layers of shielding provide noise rejection for quiet operation

The Coated Pinstripe® heads are made with two 7 mil Mylar® plys with a measured layer of a ring reducing agent applied between them at the outer edge of their trademark stripe to dampen high frequency overtones for warmer resonance

Evans 20" EMAD Calftone Bass Drum Head Diplomat Coated the Bit Key has aEvans Calftone drumheads are a synthetic alternative to traditional calfskin. They embody the look and sound of a natural skin but with the consistency, fit, and tuning range made standard with Level 360 Technology. These heads bring out the best of a vintage kit and evoke a classic appearance and sound from modern drums. Calftone is made using a 12mil Mylar base blended with unique materials to produce warm, full, and rich tones. Combined with EMAD