Procraft LH812 Horn Flare Replacement Lens DJ - 90 x 50 bolt-On W/Screws Standard Plus / Solder Type You can use the abbreviations

You can use the abbreviations that are located next to your connector options

inside dimensions are 8-11/16" x 6-3/4" x 2-3/8"

2 Pack Procraft D-Plate with 6mm 115v LED indicator lamp - clear

(One) USA Made Brand New Genuine ProCraft Pro Audio Standard Recessed Floor Box with Black Powder Coat

Procraft LH812 Horn Flare Replacement Lens DJ - 90 x 50 bolt-On W/Screws Standard Plus / Solder Type You can use the abbreviationsProcraft LH812 12 1 2" x 7 13 16" horn flare lens. 3 9 16" diameter bolt on platform with a 2 15 16" diameter 4 bolt pattern. Easily drilled to mate with any driver. 1" throat, 90 x 50 coverage, Lightweight ABS construction. Cutout is 10 1 4" x 6 3 8". Great quality at a great price. Very sturdy, great for pro sound. Use the Procraft LHW 3 horn adapter for screw on drivers.