From the Manufacturer SoundOff by Evans Universal Bass Mute fits drum sizes 18" to 26" with ease, allowing players to quietly practice on their drum sets without drastically altering feel. SoundOff drum mutes are the most popular line of volume control products available. The mutes provide a significant volume reduction to keep practice noise to a minimum. SoundOff drum mutes feature a durable construction that can withstand frequent practicing. For over 40 years, Evans has been a pioneer of drum head manufacturing and design. Known for innovative designs such as EMAD, EC2S, and the Hydraulic series, Evans drum heads are made in the USA in a state of the art manufacturing facility. Acquired in 1996 by D'Addario and Company, the global leader in musical instrument accessories, the Evans brand is synonymous with quality and consistency. Product Description The soundoff bass mute will fit any size drum from 18 Inches - 26 Inches and closely reproduces the natural feel and rebound of an un-muted drum. The extension arms and c-clamp attachment method makes it easy to install and remove.