Mac Superior 4.1 in. (105mm) Santoku

Surgical Precision Meets Santoku Utility


The Mac Superior SK-40 is not merely a small knife; it is a specialized architectural solution for the 'middle-ground' tasks that frustrate chefs using standard parers. While most 4-inch knives force your knuckles to collide with the cutting board, the SK-40 features a distinctive tall blade profile and an up-swept handle. In hand, this geometry provides a physical 'lift' that allows for rapid-fire mincing of garlic, shallots, and ginger without compromising finger safety.


Forged from a high-carbon AUS-8 mono-steel and hardened to 60 on the Rockwell scale, the edge geometry is a symmetrical 50/50 bevel. During testing, the SK-40 displayed exceptional lateral stability—a rarity for a blade only 2.0mm thick at the spine. The roll-forged construction produces a dense grain structure that holds a 'toothy' bite, allowing it to glide through slippery scallion skins and tomato membranes where softer European knives typically skid.


This is a tactile instrument. The 2.3-ounce weight makes it feel virtually weightless, functioning as an extension of the index finger for peeling pears or trimming silver skin from tenderloins. The black Pakkawood handle is resin-impregnated, providing a non-porous, high-friction grip that remains secure even when wet with vegetable juices. Whether used as a sheep's foot parer or a miniature chef's knife, the SK-40 eliminates the need for constant tool-swapping during intensive prep sessions.


SKU: SK-40

Availability: In stock

$47.95
  • Details

    Product Specs & Technical Highlights

    • Blade Construction: Mono-steel, roll-forged for enhanced edge retention and durability.
    • Steel Composition: Japanese AUS-8 high-carbon stainless steel.
    • Hardness Rating: 60 Rockwell Hardness (HRC) for professional-grade longevity.
    • Edge Geometry: 50/50 Symmetrical Bevel, suitable for both right and left-handed users.
    • Blade Dimensions: 4.14 inches (105mm) length; 1.09 inches width at the heel.
    • Spine Thickness: 1.8mm to 2.0mm at the base, tapering for fine tip work.
    • Overall Length: 8.00 inches.
    • Weight: 2.3 ounces (approx. 65 grams) for fatigue-free operation.
    • Handle Material: Resin-impregnated Black Pakkawood (Water-resistant and durable).
    • Manufacturing Origin: Seki, Japan.
    • SKU: SK-40.
    • Care Instructions: Hand wash only with mild detergent; dry immediately. Avoid cutting through bone, frozen foods, or hard pits to preserve the 60 HRC edge.

    Additional Info

    Blade Length (Inches) 4.1 in.
    Blade Length (mm) 105 mm
    Blade Width (inches) 1
    Grind 50/50 Bevel
    Steel Type AUS8
    Rockwell Hardness 60
    Stainless Yes
    Handle Material Black Pakkawood
    Spine Thickness (mm) 1.8
    Brand MAC
    Country of Manufacture Japan
    SKU SK-40
    Manufacturer's Part Number SK-40
    Manufacturer's Suggested Retail Price $55.00

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