A drum "hoop" or "rim" may be made of metal, wood, or other materials and is used to hold a drumhead against a drum shell, either with bolts through metal "claws" attached directly to a hoop, or bolts through holes in a flanged rim. The bolts, called "tension rods," are screwed into threaded "lugs" attached to the drum shell, in order to tighten and tune the drumhead. A "drum key" is a type of wrench often used to screw the tension rods into the lugs.
Drum "badges" are labels attached to a drum shell used to identify the manufacturer of a drum. Often the serial number of the drum will also be on the badge, and the "vent" hole for two-sided drums is often placed through the badge with a grommet.
Metal stands and holders are used to support percussion instruments or microphones. Floor stands are often tripods and telescoping. Snare drum stands have three arms as a "basket" to cradle the drum. Tom-Tom stands and holders may sit on the floor or be clamped through a mounting bracket on top of a bass drum, and have extending rods which attach to clamps on the tom-tom. Cymbal stands have a threaded bolt or "cymbal post" to hold a cymbal down with a nut. Cymbal "stackers" allow additional cymbals to be added to an existing stand.
Tom-tom and cymbal stands may have a "boom arm" attached to extend holder reach, and a "tilter" to move instruments into a desired position. Smaller "clamp holders" may also be used to attach more instruments to existing stands. Drum "racks" are stands surrounding a drum kit onto which percussion instrument holders may be clamped. "Memory locks" are clamps used to make drum and telescoping positions permanent.
Hi-hat stands, remote hi-hats, and X-hats are also considered to be hardware.