funny coffee mugs for coworkers gifts-Rancilio Group Dispersion Nut and Screw Kit

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Designed specifically for the Rancilio RS1 model, this kit includes 1 x M5 x 16 mm flat head counter-sunk screw and 1 x new version counter-sunk jet breaker (21 x 5.1 mm). For use with the new version Rancilio group head . Will fit all current commercial and domestic model group heads, including any previous version of the Silvia.