Name: Extrema Ratio SECTOR 2 universal kitchen knife
Brand: Extrema Ratio
SKU: ER04-1000-0474-SAT
Price: 47.95 EUR
Availability: BackOrder

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Blade made from Böhler N690-steel
Blade length: 7.5 cm
Total length: 19.5 cm
Weight: 82 grams

The **Extrema Ratio SECTOR 2 utility kitchen knife** is a unique kitchen knife. Because of the short blade you can easily peel an apple with it. In addition, with the thick blade you can easily crush a clove of garlic or chop a hard carrot into pieces. Because of the sleek design this knife can also be used as a steak knife at the dinner table!

 The Italian brand is known for producing knives for the Italian army. You see this when you look at the utility knife: it is heavy, robust and incredibly functional.

 ## Blade made from Böhler N690 steel

 The full-tang blade is made from Böhler N690, a type of steel that is also used to make scalpels. This type of steel, hardened up to 58 HRC, retains its sharpness for a very long time.

 The shape of the blade might remind you of a Tanto. Where the edge suddenly runs upwards at an acute angle. As such the tip of the blade is extra strong and it gives the knife its unique look and feel 

 ## Handle: scientific precision

 The Handle is made from the elastoplastic plastic called Forprene. This material was developed in cooperation with the Faculty of Movement Sciences at the University of Perugia in Italy. This to get a hold of the best imaginable ergonomics. The result? Two cut-outs on the side of the handle and a thickening of the bolster. Here you place your thumb and index finger on both sides, for an optimal grip.

 Another practical feature is that the handle was mounted to the tang with screws instead of rivets. As a result you can remove the handle. As a result bacteria don't stand a chance: you even clean the knife on the inside!



Extrema Ratio SECTOR 2 universal kitchen knife

brand

colour

series

handedness

blade_finish

blade_feature

kitchen_steel

handle_material

knife_edge_type

sharpening_type

sharpening_angle

delivered_as_a_set

kitchen_knife_type

value_number_of_knives

value_weight

value_blade_height

value_blade_length

value_overall_length

value_blade_thickness

expectedRestockDate

engravable

Personalize it! We can engrave many products. Great as a gift! [Read more about the options here](/en/pt/-order-with-engraving.htm). Looking for an engraving? Don't forget to add the product '[Order with engraving](/en/pt/-order-with-engraving.htm)' to your order. 

Can be engraved

warranty

Almost all the products we sell come with a manufacturing warranty. Want to learn more about the warranty? Read our topic: [warranty explained](/en/ct/warranty-explained.htm)

Warranty

origin

The country of origin is the country the product is produced, as far as we know. This may differ from the country where the brand itself is located.

Country of origin

article_number_site

General information

We always measure the blade height at the highest part of the blade.

Blade height

We always measure the blade length ourselves. This is the length of the blade from the tip to the front of the handle. This may deviate from the manufacturer's specification.

Blade length

We always measure the blade thickness at the thickest part of the blade. Often just before the handle. This may deviate from the manufacturer's specification.

Blade thickness

value_handle_length

Measured from the tip of the blade to the back of the handle

Total length

We always weigh a product as bare as possible. Knives and axes always without their sheath, lights (if possible) without their battery. For knife sets we measure the entire weight. This may deviate from the manufacturer's specifications.

Weight

Dimensions & weight

value_steel_hardness

The hardness in Rockwell C for a knife is always according to the manufacturer's specifications. When a manufacturer specifies a value of 56-58HRC, for instance, we always note the highest value, i.e. 58HRC.

Hardness

Material

dishwasher_safe

This concerns the type of edge [Want to learn more about a serrated versus a plain edge](/en/ct/pocket-knives-difference-plain-edge-serrated.htm)?

Type of edge

We measure the sharpening angle ourselves. This value is the angle per side.  So 20º means that the total angle of the edge is 40º. Please note that knives are almost always sharpened by hand, even in factories. This value is therefore only an indication of a single tool measured by us. You are always free to choose your own sharpening angle. [Learn more about sharpening angles](/en/ct/sharpening-angles-explained.htm).

Sharpening angle

In terms of grind we are talking about how the complete blade thickness extends into the edge. Want to learn more about grinds? [Read all about grinds on knives](/en/ct/knife-grinds.htm).

Way of sharpening

type_of_handle

value_total_sharpening_angle

This is the total sharpening angle, so the sharpening angles of both sides of the blade combined. For a knife with a one-sided grind this equals a single sharpening angle.

Total sharpening angle

Features & functions

For the number of knives in the knife sets we stick to the information supplied by the manufacturer. Some brands consider the block to be part of the set, others don't. 

Extrema Ratio SECTOR 2 universal kitchen knife

Extrema Ratio SECTOR 2 universal kitchen knife

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Extrema Ratio SECTOR 2 universal kitchen knife

Extrema Ratio SECTOR 2 universal kitchen knife

Extrema Ratio SECTOR 2 universal kitchen knife

Full description

Specifications

Also popular

Specifications

General information

Dimensions & weight

Material

Features & functions

Scope of delivery

Extrema Ratio SECTOR 2 universal kitchen knife

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