Versatile; high quality; universal ceiling mount for projectors. Steel construction. Four fully adjustable and extendable swing arms to accomodate various mounting patterns. Removeable extention arm with variable height adjustment 120mm 4.7" and 430mm to 650mm 16.9" to 25.6" . 15degree tilt; pitch and yawl adjustment. Glossy White painted finish. Mounting hardware included. Maximum load weight 20kg 44lbs . Mounting holes on projector can be a maximum of 10.5" apart. Ceiling plate dimensions: 4 inches x 4 inches square . Monoprice continually strives to improve it s product line to bring our customers the best products available. Therefore; changes may be made to listed specifications without prior notice. Item received may not match photo or specs shown. Not compatible with: Epson PowerLite 83C; Powerlite Home 720 or Hitachi CPX 206. Support Files: Dimensions Diagram Apr 6; 2011