The Pocket Engineering Geologist Seal is great for people on the go. The Engineering Geologist Pocket embosser offers a heavy duty frame and precision parts for the finest impressions every time. An easy sliding lock mechanism makes for convenient handling and storage. The Engineering Geologist Pocket Seal has a reach of about 1-1/2" into a sheet of paper. All Engineering Geologist seals are made to your state specifications which can vary from 1-5/8" diameter to a 2" inch diameter impression area.