Global G-39 Diamond Sharpening Steel 305mm

The Global G-39 is a diamond-coated sharpening steel intended to keep professional kitchen knives performing well between full sharpenings. Where a traditional smooth or grooved steel realigns the edge without removing material, the diamond surface takes off a small amount with each pass, making it genuinely effective at refining edges that have dulled through daily prep work rather than simply straightening them back into position.

In a working kitchen, knife edges deteriorate steadily under the demands of continuous use. Reaching for a sharpening steel regularly throughout prep — rather than waiting until a blade is noticeably struggling — is the habit that keeps knives in reliable working order and reduces how often they need to go to a whetstone or a professional grinder. The G-39's length handles most professional knife sizes comfortably, and at 370g it has enough weight to feel purposeful in use without becoming tiring over a long shift.

• Diamond surface restores a working edge more actively than a smooth or grooved steel
• Consistent use extends the intervals between full resharpening sessions
• Practical length suits most professional chef's knives and general kitchen blades
• Robust enough for daily use in a professional kitchen environment
• Compatible with Global knives and most other professional kitchen blades

This steel is well suited to professional kitchens where Global knives are already in use, and to any kitchen team looking to keep blade performance consistent through regular maintenance. It is worth noting that if knives are heavily worn or have chipped or damaged edges, a whetstone or professional grinding service is the right starting point — a sharpening steel maintains a good edge rather than restoring a poor one.

If you're putting together a knife maintenance kit or want to talk through which sharpening tools make sense for the blades you're working with, the team are glad to help.