Does this require oil?

Thank you for asking. Yes, you need to apply the oil to the trimmer before and after each use for lubrication. Part number for it is WER203X7910. You can find it here: panasonic.encompass.com/item/10387510/Panasonic/WER203X7910/

When i go to the barbor, i ask for a 3.5. does that mean 3.5mm? or is 3.5 different with this trimmer compared to a barber 3.5?

Yeah heart like an ostrich has more of the brain of an ostrich. He some how says that 1 inch is 25.4mm But, then contends that 3 inches is somehow equal to 10mm. Besides that. This product is a scam. You can buy a much cheaper version by the same company that has the same total length of dial settings, 1mm to 10mm, in a 19 setting dial. This one technically has more options, but more settings isn't always better. Seriously who's looking at anyone's beard that closely. The addition of the blade guards is just a real kick in the teeth. If you like to keep your beard longer like I do. You can buy a very nice trimmer that will come with blade guards of various sizes that'll do just as good of a job as this overpriced piece of junk for 1/3 of this price. My advice is don't waste your money here, this is an over engineered, way to expensive product that won't do you any better than it's counterparts. Don't waste your money on things that, claim to have more features, when their proformance is going to be the same. I also just have to point out that, Heart like an ostrich also gave specs about Wahl products when this product is clearly Panasonic, further confirming their lunacy.

As this is a washable unit, does it need a protective oil or some other maintenance to prevent rusting?

Why does this need blade oil and other brands do not?

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Panasonic Cordless Beard Trimmer for Men with Precision Dial, 19 Adjustable Length Settings, Rechargeable Battery, Washable, Birthday Gifts for Men, ER-GB42-K (Black)

Product ID: 61765746

Details

Brand
Panasonic
Color
Black
Item Weight
5.28 ounces
Power Source
Battery
Recommended Uses For Product
Beard Mustache

💧100% waterproof & washable

🔋50 min fast rechargeable battery

⚙️19 precision length settings

$U6090

Duties & taxes included

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Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✂️ Precision grooming meets effortless style—because your beard deserves the best.

FAST CHARGE TRAVEL READY - Get 50 minutes of cordless power from a quick charge—perfect for busy lifestyles and jet-setters.
WET OR DRY ANYTIME GROOMING - Seamlessly trim in the shower or on the go with a fully waterproof design.
ULTRA SHARP 45 HYPOALLERGENIC BLADES - Experience clean, irritation-free cuts inspired by ancient Japanese sword craftsmanship.
ERGONOMIC RUBBER GRIP FOR TOTAL CONTROL - Sculpt your beard with confidence and comfort, no slips, just precision.
TAILOR YOUR LOOK WITH 19 PRECISION SETTINGS - Dial in your exact style effortlessly for a sharp, professional finish every time.

The Panasonic ER-GB42-K Cordless Beard Trimmer offers 19 adjustable length settings with a precision dial, ultra-sharp 45-degree hypoallergenic stainless steel blades, and a rubberized ergonomic grip for maximum control. Fully waterproof and washable, it supports wet or dry use and delivers up to 50 minutes of cordless trimming from a fast rechargeable battery. Compact and travel-friendly, this trimmer combines Japanese craftsmanship with modern technology for a superior grooming experience.

Specifications

ASIN	B075LQYFNB
Are Batteries Required	Yes
Best Sellers Rank	#7,468 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #10 in Beard Trimmers
Blade Material	Stainless Steel
Brand	Panasonic
Brand Name	Panasonic
Color	Black
Connector Type	Proprietary AC charging connector
Customer Reviews	4.3 out of 5 stars 13,836 Reviews
Global Trade Identification Number	00885170313811
Hair Type	All
Included Components	Charging Base, Cordless Beard Trimmer
Is Waterproof	True
Item Dimensions	1.85 x 6.97 x 1.65 inches
Item Weight	0.33 Pounds
Manufacturer	Panasonic
Manufacturer Part Number	ER-GB42-K
Manufacturer Warranty Description	2 year manufacture
Material	Rubber
Material Type	Rubber
Maximum Cutting Length	10 Millimeters
Minimum Cutting Length	0.5 Millimeters
Model Name	ER-GB42-K Panasonic Cordless Beard Trimmer for Men
Model Number	ER-GB42-K
Number of settings	19
Other Special Features of the Product	Charge Indicator Light, Ergonomic, Fast Charge, Travel Size, Waterproof
Power Source	Battery Powered
Recommended Uses For Product	Beard, Mustache
Specific Uses For Product	Edging, Light Shaping, Outlining
Target Audience	Men
UPC	885170313811
Unit Count	1.0 Count

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