1 Sided Violet Laser N91 Agfa 13W x 19.375L .005 AB_Dick, Toko, Ryobi 3200 etc...50 Plates per Pkg. All press sizes available, call for pricing. can help calibrate and perform consulting on these plates. Also have all chemistry required for Violet photopolymer plates. We have the best fountain solution, ink, plate cleaners and pens for these plates too!