This sturdy, light weight trial frame is a time tested staple, inspired by clasic AO Trial Frame design. Temple, nosepiece, and frame movement provide smooth accurate adjustments and fine fitting. The single stationary rear cell, and three rotating front cells allow this trial frame to accomodate a total of four 38mm trial lenses. The WO-2115 Universal Four Pair Trial Frame accomodates interpupilary distances from 48mm to 80mm, with clear, legible scales. Supplied in sturdy, attractive storage box.