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🔪 Cut sharper, work smarter — never settle for dull edges!
OLFA’s 18mm Heavy Duty Utility Knife Replacement Blades deliver industrial-grade sharpness and durability with 10 solid steel blades per pack. Made from high-quality Japanese alloy steel, these precision blades fit any 18mm utility knife and excel at cutting thick materials like insulation and foam board. Trusted by professionals since 1956, OLFA ensures superior edge retention and safety, making these blades a must-have for contractors, craftsmen, and managers who demand flawless performance every time.
| ASIN | B0006SJAU2 |
| Best Sellers Rank | #230,314 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #304 in Knife Blades |
| Blade Material | Alloy Steel |
| Brand | OLFA |
| Brand Name | OLFA |
| Color | Silver |
| Customer Reviews | 4.6 out of 5 stars 124 Reviews |
| Global Trade Identification Number | 00091511600506 |
| Handle Material | Alloy Steel |
| Handle Type | Manual-Retractable |
| Item Length | 18 Millimeters |
| Manufacturer | World Kitchen - Home Improvement |
| Manufacturer Part Number | 9009 |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Number | 9009 |
| UPC | 091511600506 785533254136 |
| Unit Count | 1.0 Count |
A**R
Super useful blades
These blades are the best! I find their flexibility to be immensely useful when flush cutting. Olfa if you read this please make these solid blades in the 25 mm size!
H**T
They last a long time
The solid blades are great! Very durable! The snap offs are good as well-when the blade tip becomes dull you just snap off the full part but if your not careful with how much pressure your using when your cutting they snap when and where you don’t want them to. I use both but mostly these solid blades because they’re more reliable
B**W
Excellent for removing silicone/butyl/caulking around/under fixtures in RV
I reviewed the Olfa 5003 L-1 18mm Ratchet-Lock Heavy-Duty Utility Knife and mentioned this solid blade, but just realized I never reviewed the blade here. The knife with this blade is perfect for working on my RV. It is long, thin, and flexible, which is exactly what is needed to slide under a fixture (door, water heater, lamp, etc) to break the usual silicone/butyl seal. I was able to slide the blade over an inch deep when removing my rear door (the factory really spread a lot of silicone for that seal). Then, using some vinyl lockout wedges, I was able to pry the edges around the door frame up without ever scratching my fiberglass gelcoat. Highly recommended if you do work on your own RV (or boat)!
T**M
Durability
Durable, sturdy, great for cutting out caulking
S**S
Perfect for 3D Printer
Love these solid blades! I use them with my 3D printer to remove prints and they are perfect! Great quality, sharp and long lasting!
R**Y
One long metal blade
Its perfect for cutting loose broken window panes that need to be removed and replaced.
A**R
Okay blade
Was hoping since the blade was solid it would be thicker and stiffer.
P**I
Top blades
The best blades on market. Did not expect anything else from olfa.
K**E
strong and sharp
very sharp in a dispenser than prevents cuts
D**V
Fait sans problème
Très rapide
F**Z
Hard to get in stores !
This is a blade that lasts forever, doesn't break off just when you really need it!
S**K
Sharp blade
It is what's described, single pieces of replacement blades in a small box. Needed to use the entire length of blade so didn't need snap off sections, and no snapping is safer on use.
C**T
Five Stars
great product
Trustpilot
3 weeks ago
2 weeks ago