5pack 
19g x 100mm or 21g x 100mm 
These are barbed Cog lifting threads on a SHARP CANNULA! especially designed for eye lift and brow lift with a sharp cannula so no need to pilot hole or cause trauma feeding a Blunt Cannula in! These are new out and amazing! 
These sharp cannula cogs are also available in 21g 60mm for the Eye / Brow lift on my site