EK33S is an upgraded version of the EK33 mini knife, the blade material is upgraded to M390 steel to get more toughness and hardness. Minor design change at the handle to have the capability to insert glow bar (trit vials) and it comes in 3 different colors which are green, black and stonewashed.
Handmade, patented design
Probably the world's smallest titanium liner lock folding knife
Closed length only 49mm
Manual quick-opening design
Blade material M390 steel, handle material TC4 titanium
Vacuum oil hardened heat treated blade, durable and sharp
Liner lock, with replaceable locking plate, ceramic ball detent