30 degree Stanley Utility Knife Blade HIGH CARBON HIGH QUALITY Extra Sharp.
 
Genuine Woodpecker brand - Very high quality - Not the usual generic stuff.
 
These blades are not cheap and generic blades but very high quality.
They are sharper and will stay sharper than most other blades i have bought, including very well known and popular brands.
 
Extremely high quality blades.
 
Blades fit standard 18mm knifes.
 
Each pack includes 10 blades total.
9 x Blades in SK2 steel which is 1.2% Carbon.
1 x Blade in SK2H which is a slightly higher quality version of the SK2 and is 1.3% Carbon.
 
The Black SK2H blade is usually sold as a separate more expensive pack but is included in this batch as a sample from the manufacturer. 
 
More Carbon means a harder steel so is able to be sharpened and polished to a sharper edge and also stays sharper longer because of the extra hardness.
 
The Blades are 0.5mm thick which is pretty much standard but some cheaper blades can be slightly thinner.