Make easy cutout templates for your ceiling & in-wall speakers with the Polk PB LC80i Rough-in brackets. Designed to work with Polk vanishing speaker series, 80F/X-LS, 80F/X-RT, this pair of wall speaker mounts is also compatible with Polk LC80i, TC80i, SC90, RC80i, LC90F/X, LC80i-IP, SC80-IPR, MC80, & V80 in-ceiling speakers (sold separately). Great to use during pre-installation of your dream home theatre speaker system or ceiling surround sound speakers. The pre-construction rough-in brackets can easily be installed into the wall or ceiling for proper positioning of the speakers. They are sturdy and unbreakable even when the drywall is laid over. The wings can be attached with nails, staples, or screws and can easily trimmed and bent to accommodate any position of the speaker. Each metal bracket comes with two perforated break-away wings making the length adjustable and allowing for a hassle-free set up with no wall or ceiling damage. The package contains a pair of mounting brackets, 4 plastic wings, and 12 sheetrock mounting screws.