The Sinclair TiN Turning Mandrels offer increased abrasion resistance and tool life up to 10 times longer than standard steel mandrels.
They are coated with Titanium Nitride to enhance lubricity and reduce wear.
These mandrels are designed to be 0.002" under bullet diameter for 22 Caliber (0.222") and can be used for aligning cases during neck turning or to set neck tension.