Silicone construction ensures durability and flexibility for long-term use
Available in 1/64 inch increments for precise fit and compatibility
Clear solid color for easy visibility during installation
Easy to measure and install for consistent results
Summarized by Shop
Sacs sizes are given as the diameter measured in n/64ths of an inch. Sizing a pen involves measurement of the sac nipple on the section in n/64ths of an inch. This is a starting point, judge sac size based on how it slides in the barrel.
