Mercer Culinary Millennia Granton Edge Santoku 7 in (M22707)

By Mercer Culinary · Kitchen Knives · Kitchen & Cooking · More from Mercer Culinary

  • One-piece high-carbon Japanese steel, stamped, HRC 53-54
  • Blade angle 15°, Granton edge, blade 7 in (17.8 cm)
  • Santoprene and polypropylene handle, NSF certified

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Summary

A stamped 7 in santoku with a Granton edge for commercial kitchens, culinary students and home cooks who want a light second knife. Check the edge trade-off before you buy: owners report it sharpens easily but needs sharpening often.

Strengths

  • Thin santoku profile slices vegetables and fruit cleanly, owners report.
  • Light build reduces hand fatigue during long prep sessions, owners report.
  • Textured handle stays grippy when wet, owners report.
  • Granton grooves help slices release from the blade during cutting.
  • Color variants allow separate knives for different foods to limit cross-contact.
  • NSF certification suits shared kitchens and commercial use.

Weaknesses

  • Edge loses sharpness quickly and needs regular sharpening, owners report.
  • HRC 53-54 hardness favors easy sharpening over long edge life.
  • Hand wash only, since dishwasher heat and harsh soap can harm handle and edge.
  • Steel origin is unresolved between manufacturer Japanese-steel wording and distributor German-steel copy.
  • Brown and purple colorways list polypropylene handles, so colors may differ from black.
  • Guard number differs between the manufacturer listing and the distributor listing.

Verified specifications

Item numberM22707.
Blade length7 in (17.8 cm).
Blade materialhigh-carbon Japanese steel, per manufacturer wording.
Constructionstamped, one-piece blade-and-handle blank with overmold.
HardnessHRC 53-54.
Blade angle15 degrees.
EdgeGranton edge, with grooves that leave an air space between blade and food.
HandleSantoprene plus polypropylene, with textured grip, textured finger points and finger guard.
CertificationNSF.
Handle colorblack.
PackagingMercer Pak.
Dimensions12 in overall, 7 in blade, 5 in handle.
Tip shapespear point.
Shipping weight0.36 lb, per distributor listing.
Warrantylimited lifetime warranty, 25 years for corporate users.
Recommended guardM33113P, per manufacturer page.
Full research notes and sources

Edge retention and sharpening

This is a soft blade by design. One daily user describes it as thin and easy to sharpen but short on edge holding, and the aggregated owner summary for the same product notes regular sharpening as a recurring theme. That matches HRC 53-54, which trades retention for toughness and easy maintenance. Nobody has published measured sharpness, retention or food-release data for this exact model, so treat this as a known maintenance commitment rather than a defect.

Care and warranty

Wash by hand with warm water and mild soap after each use, rinse and dry with a soft towel. Mercer warns against dishwashers, long soaking, chlorine and bleach, and long contact with aluminum or stainless steel sinks, and advises storage in a block or sheath. The warranty is limited lifetime, 25 years for corporate users, covering defects in materials and workmanship with repair or replacement at Mercer’s option. It excludes dull, bent, scratched, corroded or marked blades from hard surfaces, frozen food, bones, cans and jars, and dullness from customary wear. In practice the knife is maintained by sharpening, not part replacement, and the guard match is unclear between M33113P on the manufacturer page and a 12 in x 2 in M33114P guard in distributor listings.

Is it worth it?

It suits a commercial kitchen, a student kit, or a home cook who wants a second santoku and will keep it sharp. It suits cooks who value light weight, grip comfort and NSF listing over long edge life. It is a weak fit if you want to sharpen rarely, since edge life is its documented weak point. Enthusiast forum discussion treats Mercer as the budget workhorse baseline that people keep as a beater or move up from.

Which model this is

This page covers the Millennia Granton Edge Santoku 7 in, item M22707, black handle, in Mercer Pak, ASIN B000PS1HQS. The same geometry is sold as Millennia Colors variants M22707BL, M22707BR, M22707GR, M22707PU, M22707RD, M22707YL and M22707WBH, with UPC 20765301904436 listed for the black unit. Do not confuse it with Genesis M20707, Renaissance M23590 or M24407PL, which are different Mercer santokus.

Sources

Manufacturer:

Owner reports:

Stores:

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