Yari Spear (4e Equipment)
From D&D Wiki
 Yari Spear
 Military Melee Weapons
|Yari Spear||+3||1d8||—||10gp||6 lb.||Spear||Versatile|
This spear is built much like a regular spear except that it has to protruding blades at the base of the spearhead that allows the spear to slash as well as thrust.