Venn Puzzle Color:Stainless The fine Tri-Brasive assembly includes

The fine Tri-Brasive assembly includes 600 and 800 grit diamond plates along with a fine ceramic stone to hone to an incredibly keen edge on any knife

Two quick-access cargo pockets

Comes with a removable hand strap

Wildly breathable back panel

Refill Adapter Kit and one Schmidt easyFLOW 9000 M Blue refill included

Venn Puzzle Color:Stainless The fine Tri-Brasive assembly includesA beautiful mechanical puzzle comprising three identical pieces, die cast in stainless steel and weighing almost 1 kg. The size is the same as a pool ball. The Venn Puzzle is a surprisingly difficult dexterity challenge and an intriguing addition to your desk, shelf, or coffee table. The assembled puzzle creates a perfect sphere so each piece makes up one third of the sphere by volume. While simple in concept, reassembling these three surprisingly