The G|F Scale: A Guide to Durdan's Razors

The G|F (Gentle|Firm) scale is our measuring system ranging from G10 (very gentle) to F10 (very firm), allowing us to precisely characterize each razor.

Calculate your GF

Our Range

Mauritius (G7 - F5)

• G7: Soft (GAP 0.8mm)
• G5: Balanced (GAP 1.0mm)
• G3: Dynamic (GAP 1.2mm)
• G1: Transition (GAP 1.4mm)
• F1: Effective (GAP 1.6mm)
• F3: Performance (GAP 1.8mm)
• F5: Maximum (GAP 2.0mm)

No. 7 (G10 - F8)

• G10: Ultra-soft (GAP 0.3mm)
• G7: Learning (GAP 0.5mm)
• G4: Daily (GAP 0.7mm)
• G1: Balance (GAP 0.9mm)
• F2: Performance (GAP 1.1mm)
• F5: High efficiency (GAP 1.3mm)
• F8: Maximum (GAP 1.5mm)

La Faulx (G9 - F6)

• Classic (G9): Traditional sweetness
• Medium+ (G4): Balanced performance
• Superior++ (F1): Controlled efficiency
• Ultra+++ (F6): Maximum performance

Vestige (G10 - F5)

• Classic (G10): Exceptional softness
• Medium+ (G5): Perfect balance
• Superior++ (GF): Balance point
• Ultra+++ (F5): Optimal performance

Dwarf Razor

• Unique Configuration (F3): Targeted Performance

Selection Factors

• Your experience
• Skin type
• Desired blade feel
• Shaving frequency

Use our calculator to find your ideal G|F level and recommended configurations for your profile.