2 × 25mm slots (suitable for – 3. 5" Paring Knife, 4. 5 Multi-Purpose Knife Only) 2 × 35mm slots (suitable for – 9" Bread Knife, 9" Carving Knife) 1 × 40mm slot (suitable for – 9" Bread Knife, 9" Carving Knife) 1 × 45mm slot (suitable for – 8" High-Carbon Cooks Knife) 1 × 55mm slot (suitable for – 6" Cooks Knife, Japanese Santoku Knife, Easygrip 8" Cooks Knife)