Mazzer 57.5 mm Doser Mounted Tamper /filter-grinder 50mm outside diameter x 31mm

50mm outside diameter x 31mm inside diameter

Standard 58mm brew basket housing (fits most commercial portafilters)

Contacts: 3 normally open

Only the larger fitting needs a new O-ring (S_260)

Replacement pressure gauge for Promac espresso machines

Mazzer 57.5 mm Doser Mounted Tamper /filter-grinder 50mm outside diameter x 31mmMazzer 57. 5 mm Doser Mounted Tamper Bolt on espresso tamper that mounts directly to any Mazzer grinder doser unit, for use with most commercial espresso machines. SPECIFICATIONS Tamper size: 57. 5 mm Requires a portafilter basket with an inside diameter larger than 57 mm COMPATIBILITY Fits: All Mazzer espresso grinder doser units Works with: Most commercial espresso machine portafilter baskets larger than 57 mm inside diameter INSTALLATION Simple DIY