ITEM NAME:7.8" 20cm Optical Glass Triple Triangular Prism Physics Teaching Spectrum liau 7.8" 20cm Optical Glass Triple Triangular Prism Physics Teaching Spectrum liau a.imagelink a:hover.imagelink {color:#AF070B;.1Pc x Triple Prism + 1Pc Decent Gift Box. Prism color:Clear. Material:optical glass. With a decent gift box,it is a good present for friends. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.
