These sacs are available in three sizes, and are for use with Sheaffer Snorkel and Touchdown Pens.
Snorkel T M. Sac size 14 x 2 1/2 Necked
Touchdown T M. Sac size 15 x 2 1/8 Necked
Pen For Men (PFM). Sac size 17 1/2 x 2 1/8 Necked
1st Year Touchdown . Sac size 17 1/2 x 2 1/8 Necked
Tuckaway Touchdown. Sac size 17 1/2 x 2 1/8 necked
NB TM is the Standard Size Thin Model Snorkel and Touchdown.
should be used to fix the sac to the sections. Once fitted dust with FRENCH CHALK
before reassembling the pen.