The kit includes an adjustable nozzle MR1.0 / MR1.5 / MR2.0 of the below diameter
Z12/10 - diameter 1,0 mm Z12/15 - diameter 1,5 mm Z12/20- diameter 2,0 mm Fits all Marolex lances (both telescopic and segment)
ST - STEEL ALU -ALUMINIUM * - discontinued versions. ** - only for Profession and Hobby