N-Force is a series of Nerf foam weapons that was released in 2009 to 2011. Until now, I still think that no any NERF foam weapons can surpass the N- Force series! :
Amazon.com: N-Force Vendetta Sword (Discontinued by manufacturer) : Toys & Games
Amazon.com: N-Force Vendetta Sword (Discontinued by manufacturer) : Toys & Games
Everything You Need to Know About Nerf Swords • Sword Encyclopedia
NERF N-FORCE VENDETTA SWORD, Hobbies & Toys, Toys & Games on Carousell