For sale are Twenty Five #19 Sailmaker's Needle from Wm. Smith & Son. These are heavy-duty needles designed for hand-sewing canvas sails.  They're also great for backpack and gear repair, sewing hides, and anywhere a regular sewing needle can't get the job done.   Features:
Made by hand, and not to cut the Twine (from the original packaging)
Tapered triangular point helps needle penetrate and pass through heavy material
Accommodates thread, yarn, and twine 
Made in the United Kingdom
Length: 1.94" 
Gauge: 19