Where do you buy replacements for the #1 knife blade? Searched Amazon and internet.

Thank you for your question. The handle series is called a #1 however the blades that used are a #11. You can locate these exact replacement blades under ASIN #B007VERA1K (5pk) or #B005JDF28S (100pk).

Will the tip break if used for lifting a push-on back of a wristwatch to replace watch battery?Thank you

The tip will definitely break if you try to pry the back off of a watch.

what is zirconium nitride coating does it decompose plastic? (such as gunpla model kits)

Zirconium nitride is an inert ceramic material. Its job is to make the cutting edge harder than the metal underneath would be alone, which will help keep the blade sharp for longer. The same coating is pretty common on things like drill bits. Your model parts should be safe!

does zirconium nitride coating do harm or decompose plastics? i was going to used this to cut nub marks for plastic model kits?

We use these for lots of plastic mold work at our shop and have never had a problem with any of our plastic molds.

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X-ACTO #1 Z-Series Precision Utility Knife, Metal, Silver, Aluminum Handle, Includes Safety Cap - For Precise, Fine Cuts

Product ID: 1182629

Details

Blade Material
Aluminum
Brand
X-Acto
Color
Silver
Handle Material
Aluminum
Item Length
9 inches
Manufacturer
Elmers

🔪Zirconium nitride-coated blade for unmatched sharpness

⚙️Lightweight aluminum handle for precision control

🛡️Includes safety cap for secure, worry-free storage

X-ACTO #1 Z-Series Precision Utility Knife, Metal, Silver, Aluminum Handle, Includes Safety Cap - For Precise, Fine Cuts

Product ID: 1182629

Details

Blade Material
Aluminum
Brand
X-Acto
Color
Silver
Handle Material
Aluminum
Item Length
9 inches
Manufacturer
Elmers

🔪Zirconium nitride-coated blade for unmatched sharpness

⚙️Lightweight aluminum handle for precision control

🛡️Includes safety cap for secure, worry-free storage

R358

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Description

🔪 Cut above the rest — precision meets power in your hands.

SAFETY FIRST ALWAYS - Comes with a protective cap to keep your workspace and fingers safe when not in use.
ENGINEERED FOR DURABILITY - Zirconium nitride coating ensures long-lasting edge retention and strength.
VERSATILE MATERIAL MASTERY - Effortlessly slices through paper, plastic, thin metal, cloth, and more.
CUT WITH SURGICAL PRECISION - Experience the sharpest X-ACTO blade ever for flawless, fine cuts every time.
LIGHTWEIGHT ALUMINUM HANDLE - Ergonomically designed for superior grip and fatigue-free use during detailed projects.

The X-ACTO #1 Z-Series Precision Utility Knife features a zirconium nitride-coated #11 blade for exceptional sharpness and durability. Its lightweight aluminum handle offers ergonomic control, making it ideal for delicate, precise cutting across multiple materials including paper, plastic, thin metal, and cloth. Complete with a safety cap, this tool is a must-have for professionals and creatives who demand accuracy and reliability.

Specifications

ASIN	B005KRSWM6
Best Sellers Rank	#313 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #2 in Art Blades
Blade Material	Aluminum
Brand Name	X-Acto
Color	Silver
Customer Reviews	4.6 4.6 out of 5 stars (33,577)
Global Trade Identification Number	00079946036015
Handle Material	Aluminum
Handle Type	Manual-Retractable
Included Components	X-ACTO #1 Z-Series Knife, #11 classic fine point zirconium nitride-coated blade, and safety cap
Item Length	9 inches
Item Type Name	Art Knife
Manufacturer	Elmers
Manufacturer Part Number	XZ3601
Manufacturer Warranty Description	a
Material Type	Aluminum
Model Number	XZ3601W
Number of Packs	1
Product Style	Z-Series #1 Knife (Pack of 1)
UPC	079946036015
Unit Count	1 Count

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R358

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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