Coats that mat, and the blade that stops it · review
oneisall Metal guide comb review
The same class of clipper as the Pro Upgrade with metal guide combs instead of plastic ones, four hours of runtime, and stainless blades. The combs are the reason it costs more.
What we take from it Buy it for the combs. Everything else is the same hobby clipper as the cheaper oneisall, and the combs are what stops a thick coat coming out stepped.
What it is
A cordless clipper at 6,800 rpm with a 2,000 mAh cell rated for four hours,
stainless blades, and four metal guide combs at 3, 10, 16 and 25 mm (0.98 in).
oneisall quotes 55 dB.
The comb is the tool
On a clipper, the blade sets the shortest possible length and the comb sets
what you actually leave. A comb that flexes under load leaves a step; a comb
that stays put leaves a line you can blend. That is the whole difference
between this machine and the cheaper one above, and on a thick coat it is
visible from across the room.
Runtime and charge
Four hours, with an LED indicator showing the state of charge rather than a
single light that changes color at some unspecified point. On a machine you
use twice a year, knowing whether it is charged before you start matters more
than the runtime itself.
Noise
55 dB against 49 dB for the Pro Upgrade — oneisall’s own figures, measured
their own way. Both are quiet by the standards of this page; the cheaper one
is quieter.
Availability
Read on the day this page was built: $60 at the American Amazon shop.
Read from Keepa on the day this page was last revised; stock and price both move without notice.
Prices quoted in this text were read on 2026-08-17. The live price is at the top of the page.
What we rate, and what we flag up
Strengths
Metal combs do not flex under a dense coat — the single most common cause of a stepped finish
Four hours of runtime with a charge indicator that shows the state rather than a color
Combs to 25 mm (0.98 in), so it trims as well as clips
Listed on all six of our markets
Compromises
55 dB, six louder than the Pro Upgrade above
Four combs, where the vacuum kits ship six
Metal combs are colder against skin than plastic — some animals notice on the first pass
Specifications
Guide combs
Four metal combs — 3, 10, 16 and 25 mm (0.98 in)
Motor
6,800 rpm
Battery
2,000 mAh, 4 h runtime, LED charge indicator
Noise
55 dB (oneisall figure)
Blade
Stainless steel
Manufacturer reference
RFC676
Amazon reference
B0D54DTTCB (identical on 6 markets)
EAN
6934399228292
The questions owners ask
Do metal combs really make a difference?
On a dense coat, yes. A plastic comb flexes as the hair loads it, and the flex is what lets it lift or pop off mid-pass, leaving a step no blending hides. Metal holds its spacing. On a thin single coat you will not see the difference at all.
How does it compare with the Pro Upgrade?
Same family, same 2,000 mAh cell, half an hour more runtime, six decibels louder, and metal combs instead of plastic. If your animal is noise-sensitive, take the quieter one. If your problem is the finish on a thick coat, take this one.
What length should I leave?
Longer than you think on a first attempt. 25 mm (0.98 in) tidies, 16 mm (0.63 in) is a visible trim, 10 mm (0.39 in) is a clip, and 3 mm (0.12 in) is very short — short enough that a pale-skinned dog should not be left in the sun afterwards. You can always take more off; the coat takes months to come back.
Our score
7.3/ 10
Buy it for the combs. Everything else is the same hobby clipper as the cheaper oneisall, and the combs are what stops a thick coat coming out stepped.
Today’s price and availability, for pet devices
A reference exists on these Amazon stores: France, Germany, Italy, Spain, United Kingdom, United States. Listed is not the same as in stock — availability changes daily.
Details checked on August 17, 2026.
This one and its buyer, among pet devices
A thick or long coat where plastic combs have already slipped, and a household that clips regularly enough to notice the finish.
Amazon reports what buyers took in the month before this page was last checked: at least 1,000.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Sources
Specifications: the manufacturer sheet for pet devices and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
0.5 mm (0.02 in) veterinary cut · 115 g (4.1 oz) · spare blade head included
A 115-gram detail trimmer with a 0.5 mm (0.02 in) veterinary blade, for faces, paws and bellies rather than full clips. It comes with a second blade head.
Best for: Paw pads, faces and sanitary trims — the work a full-size clipper is too big and too loud to do.
Cordless · 120 min runtime · #10-1 blade head included
A cordless professional clipper with a lithium-ion pack rated for two hours and a #10 blade head in the box. Heiniger sells it on being quiet, which is unusual at this level.
Best for: Grooming several animals away from a socket — or one animal that will not tolerate a corded salon clipper.
Under 49 dB · 6,000–6,800 rpm · 3.5 h runtime · IPX7
The quietest clipper in this group at under 49 dB, fully washable under the tap, with three and a half hours of runtime from a 2,000 mAh cell. It costs about the price of two bags of litter.
Best for: A nervous animal, a cat, or a first clipper — the noise figure is the specification that matters most here and this is the best of it.