3D Lautsprecherwandhalter Swivel Speaker Mounting Bracket Black Dayton Audio"s swivel speaker mounting brackets are built for the systems integrator, A/V installer, and DIYer. Three attachments are included and have been molded around M5, M6, or 1/4"-20 studs to be used with threaded brass inserts found on many speakers today that are at least .385" deep. - Designed to withstand the elements - Quick release function for simple speaker removal - Ball-in-socket design for 3D speaker positioning and adjusting - Works with most surround speakers Dayton Audio"s swivel speaker mounting bracket is built for the systems integrator, A/V installer, and DIY home owner. Design features of the SMB-S1 series speaker bracket include a quick release mount that allows speakers to be removed from their fixed location for security in off-hours or in the event of adverse conditions. Three attachments are included and have been pre-molded around M5, M6, or 1/4"-20 studs to be used with threaded brass inserts found on many speakers today. These attachments drop into a ball-in-socket style post that allows for 3D speaker positioning and adjustment: 360° of rotation and 180° of tilt or pan. Years of service are virtually guaranteed from the durable weather resistant finish coating each mount. Hardware not included. Dimensions: 2-7/8" dia. x 5-1/4" L. Rated to support speakers of up to 8 lbs. Sold individually. Note: Designed to be used with speakers that have an M5, M6, or 1/4"-20 threaded insert that is at least .385" deep only.