is it suitable for letters as a letter opener?

I Would think not, as it cuts at downwards like a tile cutter. The actual blade is very tiny so you would have difficulty inserting it in the envelope edge. I suppose you could cut a narrow strip of the envelope but you would run the risk of cutting the letter inside.

why is it so expensive

Hello,Thank you for your enquiry.Our prices are a door delivered price, we have not had any complaints regarding the pricing of this item previously.Kind RegardsOnline Kitchenware

Can you tell me if it is magnetic so I could put it on the microwave side

Yes, the Slice #00200 Safety Cutter is magnetic :)! // TEAM SLICE // San Jose, California

Can it cut through a thin felt sheet

I've only used it for clear plastic on packs of cooked meat. It may cut very thin felt, but a cleaner cut would be with scissors on felt.

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Slice 00100 Safety Cutter Ceramic Knife | Coupons, Card, Paper, Parcels and Wrapping Paper Cutter Tool - Handy and Safe Tiny Cutting Tool That Fits Your Keyring

Product ID: 48692493

Details

Blade material
Ceramic
Brand
Slice
Colour
Micro Cutter
Handle material
Plastic Metal
Item length
7.62
Item weight
0.21 Ounces

💎Ceramic blade 11x longer lasting

🔑Compact keyring-friendly size

🛡️Finger-safe blade design

R349

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.

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Description

🔪 Cut smarter, not harder — the tiny tool with mighty impact!

MULTI TASK MASTER - Slices through coupons, parcels, blister packs, and wrapping paper with ease.
PURPOSE WITH IMPACT - Every purchase supports Autism research—cut with care and conscience.
POCKET SIZED POWERHOUSE - Fits effortlessly on your keyring for instant access anywhere.
ACCIDENT RESISTANT SAFETY - Finger-friendly blade reduces risk, making cutting safer than ever.
DIAMOND HARD CERAMIC BLADE - Experience 11x longer sharpness than steel without rusting.

The Slice 00100 Safety Cutter features a high-tech ceramic blade that lasts 11 times longer than steel and never rusts. Compact enough to fit on your keyring, it safely and efficiently cuts through paper, coupons, packaging tape, and tough blister packs. Designed with a finger-friendly blade to minimize accidents, this versatile cutter is perfect for everyday tasks and supports Autism research with every sale.

Specifications

ASIN	B002OOVC84
Best Sellers Rank	16,878 in DIY & Tools ( See Top 100 in DIY & Tools ) 33 in Utility Knives (DIY & Tools)
Blade Material	Ceramic
Brand	Slice
Colour	Micro Cutter
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (10,896)
Global Trade Identification Number	00895142000106
Handle Material	Plastic,Metal
Handle Type	Auto-Retractable
Included Components	safety cutter
Item Length	7.62 Centimetres
Item Type Name	Safety Cutter
Item Weight	0.21 Ounces
Manufacturer	Slice
Material	Ceramic
Model Number	00200
Number of Packs	1
Part Number	00100
Product Style	Safety Cutter
UPC	089514200205 046912493660 683203092555 804993589159 895142000106 640206674126 085227469045 800011369246 359922669513 641438621575 359922668592 046958990499 809302109424 636123742505 046901997148 801593326153 823019740022 895142001004 604945287306 806792127464 641438031084
Unit Count	1.0 count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R349

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

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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