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OLFA
OLFA SK-4 Safety Utility Knife
$6.99$12.94across 19 retailers
The OLFA 9048 SK-4 Self-Retracting Utility Knife is an excellent choice for users looking for a safe, durable, and easy-to-use tool for cutting cardboard. Its self-retracting blade and tool-free blade change make it both convenient and secure. However, if you're seeking a more versatile option, you might need to consider other utility knives that offer a wider range of applications.
Model: 9048UPC: 91511400625
Lowest at Amazon
$9.49 at AmazonLowest at any Popular Retailer
$8.15 at ZoroWhere to Buy
Prices last updated: April 27th 2026 11:03 am
Pros
- •Seletracting blade for enhanced safety.
- •Suitable for both lefanded and right-handed users.
- •Lightweight and easy to handle.
- •No tools required to change the blade, simplifying maintenance.
- •Durable and reliable for various uses in the home, garage, office, or car.
Cons
- •Limited to a single application: mainly cutting cardboard.
- •Some users might prefer a more versatile utility knife.
Bottom Line
The OLFA 9048 SK-4 Self-Retracting Utility Knife is an excellent choice for users looking for a safe, durable, and easy-to-use tool for cutting cardboard. Its self-retracting blade and tool-free blade change make it both convenient and secure. However, if you're seeking a more versatile option, you might need to consider other utility knives that offer a wider range of applications.
What Reviewers Are Saying
Praised
easy to use30%
super safe30%
durable20%
safety features10%
self-retracting20%
great tool10%
best box cutter30%
fits lefties well20%
cuts cardboard efficiently10%
Criticized
blade is rough/dull10%
Customer Ratings
4.8203 reviews
5
84%
4
12%
3
2%
2
1%
1
1%
Based on 203 reviews from Amazon
Common Questions
The OLFA SK-4 box cutter is pretty handy when it comes to slicing through different materials. According to the manufacturer's product description, it can cut materials typically found in packaging an...
Read full answer📚More About OLFA SK-4 Safety Utility Knife
Discussion
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