Unit has 1-1/2"-11.5 NPT fitting for attachment of an extension column or projector mount Includes 5 safety cables to secure the suspected ceiling plate to the ceiling Includes four knockout panels for AC outlet boxes (knockouts are for half-size handy boxes with flanges) Replaces 2'x2' suspended ceiling tile and secures to structural ceiling with tie wires The Ceiling Plate for Jumbo 2000 Mounts can be attached to a finished ceiling (wood joists) or wood beam using the four washer head wood screws included, or a structural ceiling (concrete) using concrete anchor accessory kit ACC 204 (sold separately). Features Compatibility JMC 2630, JMC 2630S, JMC 2640, JMC 2640S, JMC 2640D, JMC 2640DS, JMC 2650, JMC 2650S, JMC 2650D, JMC 2650DS, JMC 2655, JMC 2655S, JMC 2660, JMC 2660S, JMC 2665, JMC 2665S, JMC 2670, JMC 2670S, JMC 2675, JMC 2675S Maximum weight capacity 137 kg Product colour Black Product type Ceiling Plate Weight & dimensions Width 457 mm Depth 88 mm Height 34 mm Weight 1.2 kg P