Precision GS3 (Filter) Coffee Grinder

Eighty millimetre burrs are unusual at this end of the market. Most home filter grinders sit in the 40 to 64 mm range, and the jump to 80 mm changes two things. Larger burrs cut a given dose in fewer rotations, which means less heat transferred into the coffee and a faster grind. They also tend to produce a narrower spread of particle sizes, and for filter brewing that spread is what separates a clean, sweet cup from one that tastes simultaneously sour and bitter — the signature of grounds extracting at different rates.

The 300 W motor exists to turn burrs that size without struggling. Combined with micrometric adjustment, you get meaningful control across the coarse range where filter methods live: fine enough for an AeroPress, open enough for a cold brew or a plunger, with real resolution in between rather than three usable settings. The grind starts either from the button on the front or the switch on the rear for continuous manual operation, and grounds fall into the stainless steel cup supplied with it.

• 80 mm Filter Burrs
• 300 W Motor
• Micrometric Adjustment
• Stainless Grounds Cup
• 250 g Hopper
• Front Button Or Rear Switch

Where the extra size earns its place

Who it suits

• Serious filter and pour over drinkers who want burr size rather than just adjustability
• Households brewing plunger or batch coffee daily in larger quantities
• Anyone who has outgrown a small filter grinder and wants a faster, cooler grind
• Offices running batch brew or plunger for several people
• Buyers who already own an espresso grinder and want a dedicated filter machine alongside it

Specifications

Getting the best out of it

Grind at brew time. Filter coffee gives up its aromatics quickly once ground, and with burrs this size the grind itself takes seconds, so there is no reason to prepare ahead. Weigh both the coffee in and the water out — filter brewing is a ratio exercise, and a scale will improve your cup more reliably than any further equipment spend.

Dial in from coarse towards fine, adjusting in small steps and tasting as you go. Watch the drawdown time on a pour over or the body on a plunger and let those guide you rather than chasing a number. Pair the GS3 with fresh coffee beans, particularly lighter roasts, which is where a grinder of this size shows what it can do. The Precision range covers scales and brewing tools, while the broader home grinder and home coffee machine collections cover the espresso side.

Ordering

Freight is calculated at checkout. Payment plan options are on the finance options page, and cover terms are set out in the returns and warranty policy.

Frequently asked questions