Citi Services   Tripod Projection Screen # Tripod screens can be used wherever desired. # These are easily portable # These screens are made of high quality steel # The various sizes available are 6 x 4 , 7 x 5 # These screen are available in following aspect ratio ( 4 x 3 ) Tripod screens are screens which stand on three legs and can be assembled easily anywhere. The springs used inside for retraction are of high quality. The materials used are of fine quality to give the maximum viewing pleasure.These are idle for places where space is constrain and are moved very often.