Vintage Pen Sacs and Parts from The Pendragons

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Standard Straight Silicone Sacs

Standard Straight Silicone Sacs


Price: £2.99
To find out what size sac your pen requires, measure the diameter of the sac peg as shown below. Use this measurement to find the size of sac.

These modern 100% SILICONE sacs are produced by the injection moulding system.

These are excellent for replacing the sac in your CELLULOID PENS.

The sizing of ink sac's is in units of 64th's of an inch. Therefore a size 16 is 16 / 64th's of an inch in diameter.
In this metric era its a little difficult to measure in that format.
The table below of sac sizes has been converted to the nearest metric mm equivalent.

Available in the following sizes.

Size 14 Fits a sac peg of 5.5 mm
Size 15 Fits a sac peg of 5.9 mm
Size 17 Fits a sac peg of 6.7 mm  
Size 18.5 Fits a sac peg of 7.3 mm

If the size of the sac peg fall between two sizes choose the smaller size sac.

How to fit a sac

SHELLAC should be used to fit the sac to the peg.

Once set dust the sac with FRENCH CHALK and refit the section into the barrel.

If the section is a little loose, a dab of Shellac can be used to ensure a secure fit.

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