Cap-O-Matic Pen plc20 The Venn Puzzle is a

The Venn Puzzle is a surprisingly difficult dexterity challenge and an intriguing addition to your desk

Warning: It is only safe to spin it when the blade is closed

with its symmetric geometry

Handle is made of Grade 5 Titanium and M390 steel is used for the blade

The Smiley Bead Silver fits any 550 paracord and has a nice stonewashed finish

Cap-O-Matic Pen plc20 The Venn Puzzle is aThe Cap O Matic is everyday allrounder pen that you can rely on. Made of solid brass, it's durable and the weight is just right. You can open and close the pen easily by pushing the cap down. Comes with a pressurized Fisher PR4 Black ink Medium point cartridge, which enables you to write practically everywhere, on anywhere.