Sheaffer Snorkel Repair Kit. This kit includes 3 #14 latex Pen Sacs, 3 Small O-rings, 3 Small Point Seals, everything you need to restore three Snorkel fountain pens. We're also including detailed instructions on Snorkel restoration excerpted from Frank Dubiel's book, Complete Guide to Fountain Pen Repair and Restoration, published by Pendemonium.