Wall or Ceiling Mounted Non-Tensioned 85" Diagonal Square (Audio-Visual) Format 1:1 Aspect Ratio Matte White Finish Front Projection The Dalite Model B 60 x 60" Manual Projection Screen is a big package in a small, affordable and efficient screen. For the office, school, business or meeting facility that needs a simple and reliable pull-down style screen, the Model B is hard to beat. With a gentle pull on the enclosed cord, the screen rolls down smoothly - and retracts with the same ease. Much like the school screens of years ago, this model is for those who need a strong and rugged "pull-down" type surface with none of the bells and whistles of more sophisticated, electronic models. Perfect for classroom and meeting room facilities Easy pull-down system locks at intervals to fit a variety of projection formats Nylon bearings provide smooth quiet operation for the life of the screen Case design allows flush mounting to the ceiling or wall Matte White, High Contrast Matte White, Glass Beaded and Video Spectra 1.5 fabrics will be seamless in all sizes; High Power fabric up to and including 6' high will be seamless