40 taper Huot CNC ToolTower by Huot Manufacturing. $318.12. The Huot CNC ToolTower provides and economical, free standing storage unit for 40 taper toolholers. The optional stacking kit #14860 allows two units to be stacked, thus doubling the storage without taking any additional floor space.. Accessories available for this product include: See through-lockable security doors (#50520). CNC Tooling Safety Covers (#14000). Stacking Kit (#14860).