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Expert Answer
These dies are not carbide. However the Hornandy has this to say about the sizing die: The titanium coated sizing ring (gold ring) eliminates case sticking and requires no lubrication. The super hard, smooth coating is used in high-pressure, high-wear tools to reduce abrasion, so it's perfect for resizing relatively soft pistol brass, and won't scratch your cases. The spindle locks in place wth collet lock for positive decap and easy adjustment.