Procraft LH709 9-9/16" W x 7-13/16" H x 5-5/8" D horn flare/lens. 1-3/8"-18 TPI threads, 1" throat, 90 x 50 coverage, Lightweight ABS construction. Cutout is 8-1/4" x 6-5/8". Great quality at a great price! Very sturdy, great for pro sound. Use the LHW-2 for bolt-on drivers.