Elk Inc. Pro Edition Power Bugle Tube Elk Call - This bugle will produce the best squeals, grunts and full rut bugles of bull elk. The call is similar to a musical instrument where all notes and pitches are regulated by blowing. Includes: Power Bugle Protective Cap - for protecting the band on the call as well as storing extra replacement bands in storage area MONSTER CAMO camouflage cover White Power Band - Thickest and lowest pitch Grey Power Band - Medium thickness and higher pitch The Black Band - Thinnest and highest pitch