Olsen Block Nozzle Kit
The Olsson Block Kit is a modification for the Ultimaker 2 or 2 Extended 3D printer that allows the extruder nozzle to be swapped within seconds, as opposed to replacing the entire heater block every time. This lets you pick your nozzle on-the-go to fit your particular needs.
The amazing kit consists of a threaded heater block, installation tools and four nozzles in varying diameters: the standard 0.4mm size nozzle, a smaller 0.25mm nozzle, and a bigger 0.6 and 0.8mm nozzle.
If you need large prototypes printed fast, the 0.8mm nozzle will let you extrude the most amount of plastic in the shortest amount of time. If instead your print requires high detail, the 0.25mm nozzle will let you print extremely small objects or give your normal prints an extremely smooth and detailed finish. The 0.4mm and 0.6mm nozzles represent varying balances between these two extremes.