Description One Size 16 - 2-5/8 Necked Tapered Latex Sac, used primarily for small or demi sized Wahl-Eversharp Skyline pens. The tapered sac fits further down the barrel than standard straight sacs and is cut to length. Please note: Price is per sac. Pen sacs are available in many different sizes and materials. Pen sacs are measured in 64ths of an inch diameter. Most sacs will need to be trimmed prior to use and are intentionally made longer than necessary. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.