Noritsu 601 Contact Print Insert. I used to have my own 1 hour photo shop and I used this to make contact prints directly from negatives with my Noritsu stand alone 601 enlarger. Not sure if it works with any other models of Noritsu equipment but you tape the negatives to the glass (glass measures 10x12 inches. Item itself measures 16x16x2.25 inches. Glass is clear with no scratches. Do your own research on this as it is sold with no return Condition is "Used". Shipped with USPS Priority Mail.