ASQ1035 Features: * Speaker enclosure * Eliminates the need for tile bridges and screw mounting * Patented enclosure / rail system installs easily * 4 Compound combination knockouts (1/2" to 3/4") spaced 90 degrees apart * Perforated strap on top of enclosure provides secondary safety suspension point when required * For 8" loudspeakers * Made in the USA Includes: * (4) 8-32 J-clips included for screw mount baffles Dimensions: * Overall Dimensions: 4.5" H x 9.88" W x 9.88" D.