EPIRBs are essential for anyone going offshore, but you have to be able to reach them in the time of need. So instead of permanently mounting the EPIRB bracket to your fiberglass, mount it to the SeaSucker ACR Cat-1 EPIRB Mount, so you can take it off when you don't need it or move it to where you can quickly reach it.• Measures 15"L x 5"W x 2.5"D• Compatible with ACR's larger Cat-1 enclosure• Pre-drilled for easy mounting of your EPIRB housing Pre-drilled for easy mounting of your EPIRB housing Measures 15""L x 5""W x 2.5""D