EDC (every day carry ) C3604 Solid Brass Ballpoint Click Pen . Made with Roe Deer Antler from Lithuania . This is a very well made pen ! The click mechanism is German made . The clip is stainless. Solid Brass no plating or finish to wear off will last for years ! Knurled tip for sure grip! When you’re refill needs to be replaced make sure you save the small white extension off the old refill ! Thanks for looking !