US
1Zpresso

1Zpresso J Manual Coffee Grinder

  • 35 g capacity per fill
  • Stainless steel conical burr
  • Internal numbered grind setting
  • Manual grinder, no motor or cord
  • 7.28 x 2.24 x 6.69 inches, silver

Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A compact hand grinder with a steel conical burr for filter, immersion and cold brew coffee. The listing is thin on details such as weight, burr size and espresso range, so expect to rely on the maker's manual.

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ASIN: B0C2YYBLC1Category: Manual Coffee Grinders

Overview

1Zpresso builds the J as a hand-powered grinder with a stainless steel conical burr inside a slim silver body. Grind size is changed with a numbered adjustment inside the grinder, aimed at pour over, French press and cold brew.

A numbered internal setting makes it simple to return to a grind you liked, which matters when switching between pour over and French press. Little else is documented here: no weight, no step count and no list of included parts.

Who it's for

Home brewers making filter or immersion coffee get a portable grinder with settings they can note and repeat. Espresso makers and shoppers who want full specs on paper should look at a more fully documented listing.

Pros and cons

Pros
  • Stainless steel conical burr
  • Numbered setting for repeatable grinds
  • No power needed, works anywhere
  • Slim body for counter or travel
Cons
  • Weight and burr size not listed
  • Espresso use not mentioned
  • Grinding by hand takes effort

Performance notes

Grind consistency comes from the conical burr pair and how steady it stays as you turn, which the listing does not detail. The internal numbered adjustment governs particle size, with coarser settings for French press and cold brew and finer ones for pour over. Grinding speed depends on your arm and the setting chosen.

Specifications

Brand1Zpresso
Dimensions & fit
Item Dimensions L x W x H7.3 × 2.2 × 6.7 inches
Capacity & performance
Capacity0.07 pounds
Power & efficiency
Power SourceManual
Construction & materials
ColorSilver
Other details
Burr typeStainless steel conical burr
Grind adjustmentInternal numerical setting

Frequently asked questions

How do I clean the 1Zpresso J grinder?

The listing gives no cleaning or disassembly instructions, so follow the 1Zpresso manual before taking the burr assembly apart or using water on it.

How do I change the grind size on the 1Zpresso J?

Grind size is set with a numerical adjustment inside the grinder. The listing does not give the number of steps or the range.