These nozzles ARE FOR the Komet Twin 101 Plus Taper Bore Nozzle these are the Old Style, they are Non-Threaded.
You need to have a nozzle holder to hold these in place. The nozzle holders are sold separately.
These nozzles ARE NOT for the Komet Twin 101 Ultra PC-24 Degree.
Available in 11 sizes.
Please see the chart below for more details. 
Brand: Komet
