Perforated mounting strap for 8" speakers
 
 
 Heavy-gauge steel construction with undercoating that eliminates any mechanical or acoustical resonance caused by vibration
 
 
 Rust preventive finish
 
 
 4 combination knockouts 1/2" to 3/4"
 
 
 4 "J" clips for mounting of baffles
 
 
 Can be used for a back box in ceilings or walls
 
 
 Sold individually