Screw in your drum badges. Size is 3/8”OD x 1/2” length-- black metal and high quality.The Back has an Alan key to tighten nut. Top flange nut is approx 9/16” wide. For the not so handy drum restoration guy. Condition is New. Shipped with USPS First Class Package Let us know your badge needs as well ! Shipped mostly same day before 11am est standard time otherwise shipped the following day always.