Robert Herder K4 Kitchen Knife - Stainless

$135.00 USD

A smaller, more compact chef's knife for those chef's that prefer a nimble yet strong blade. The centrally tipped blade is also ideal for filleting fish.

The grip plates on the handle are made from Polyoxymethylene: a high-molecular-weight, thermoplastic, processable plastic of high strength and resistance. It was discovered in the 1920s, synthesized by DuPont in 1952 and its manufacture patented in 1956. Its high stability, dimensional stability and soft grip make it a very good material for knife handles and it is temperature-resistant from -40°C to +175°C. 

  • Care Instructions
  • Best used for chopping fruits, vegetables on a cutting board, also for filleting and carving fish and meats. 
  • Handle: Polyoxymethylene
  • Blade: Stainless Steel
  • Blade Length 130 mm / 5 in
  • Overall Length 255 mm / 10 in

From the Robert Herder Collection

Free Shipping on Orders Over $75

30 Day Easy Returns

Questions? Contact Support

Local Vancouver Delivery

We are pleased to offer Local Delivery in Vancouver only (we do not service West Vancouver, North Vancouver, Burnaby, Richmond or Surrey).

This service is available from Monday - Friday only. We do not deliver on the weekends or on statutory holidays. Our delivery rate is a flat fee of $20.

Items purchased through our online store will be delivered the following business day. We will contact you prior to delivery to arrange a delivery window time. 

Store Pickup 

Items purchased through our online store can be picked up one of our store locations in Vancouver within 24 hours of purchase. We will send you an email confirming your items are ready for pickup. 

Orders can be collected in Gastown or Kitsilano 7 days a week during our regular business hours. 

USA Orders

  • Free USPS Shipping Over $75 (3-5 Business Days)
  • $10 Flat Rate Shipping on Orders Under $75
  • Tax & Duty Free

Canada Orders

  • Free Expedited Canada Post Shipping Over $75 (2-6 Business Days)
  • $10 Flat Rate Shipping on Orders Under $75

At Old Faithful Shop we strive to process your order as quickly and carefully as possible within 24 hours. 

Once your order has been processed we will notify you to let you know your order has shipped and provide the tracking number. 

  • USA orders are shipped with a trackable USPS service from Blaine, WA. No duties or additional taxes will be incurred with your order. Delivery time is approximately 3-5 business days. 
  • Canadian orders are shipped with a trackable Expedited Canada Post service from Vancouver, BC. Delivery time is approximately 2-6 business days.

Express Shipping

USA Orders

  • $39.95 Flat Rate DHL Shipping (1-2 Business Days)

Canadian Orders

  • Rates vary depending on size and weight of package. (Canada Post Express 1-2 Business Days)


Within 30 Days - It is our hope that you're completely satisfied with your order, but in the chance that you are not, we will gladly accept returns for a full refund within 30 days of the items being shipped to you. Items ineligible for return include Food Items, Plants, Special Order Items and Sale items. 

Must include original packaging and be in new condition: Items returned to us must be in their original packaging and in a re-sellable condition. Old Faithful Shop reserves the right to reject returns that do not meet this criteria. 

If your order is deemed unfit for return because it is not in its original selling condition, we will notify you to let you know that no refund will be issued. The customer can then choose from the following options:

1. The product will be shipped back to the customer at a shipping cost of $25 CAD; or
2. The product will be recycled or donated. 

If we are unable to contact you within 14 days of us informing you that your return has been rejected the product will be recycled or donated. 

Canadian Online Returns - All Canadian orders are eligible for $15 flat-rate return shipping amount that will be deducted from your refund once the item(s) are back in our possession. As long as your return adheres to the above criteria, you can navigate through our online return portal to process your return and create a shipping label.

Canadian Online Return Instructions:

1. Please navigate to our Returns Center here and fill out the form.

2. Once your return is authorized you will be able to download and print a Canada Post return shipping label.

3. Carefully pack the order up ensuring the contents cannot move and have a buffer between the outside walls of the box - items damaged in return transit are not eligible for a refund. 

4. Drop the package off at the nearest Canada Post depot within 5 business days. 

Once your return is received at the store we will review the contents to ensure they meet our return policy requirements outlined above. Once approved we will issue a refund and notify you via a confirmation email. We are only able to credit the original credit card used to make the purchase. Please allow 3-6 business days for refunds to appear on your credit statement. 

Store Returns - Items purchased through our brick and mortar location can be returned within 30 days of the purchase date. Items must be in original selling condition complete with their original packaging and a proof of purchase is required (physical or digital receipts are acceptable). Gift receipts are ineligible for a refund and valid for in-store credit or exchange only. 

United States Returns - We currently do not offer return shipping labels for US orders, however we will process refunds outlined by the criteria above. 

To qualify for a return please submit a request in our Returns Center here. We will quickly respond and issue an authorization number to be included in your shipment. Return shipping fees are the responsibility of the customer.

Once your return is received at the store we will review the contents to ensure they meet our return policy requirements outlined above. Once approved we will issue a refund and notify you via a confirmation email. We are only able to credit the original credit card used to make the purchase. Please allow 3-6 business days for refunds to appear on your credit statement. 

Price AdjustmentsWe do offer price adjustments for orders placed within 7 days of the sale occurring. Certain times of the year such as our Boxing Week Sale we will not honour price adjustments and will clearly state this in our communications online. We make no exceptions during these special sales periods. 

Questions about this? Email us.

Learn More about our Shipping Policies here

Care of Carbon Steel Blades

Over time, carbon steel blades gradually discolour from use and a dark patina forms. It is completely harmless and has no effect on how the knife functions.

However if you wish, the blade can be brightened with “Vienna chalk” or a scouring agent and a coarse sponge. This returns the blade nearly to its first shine.

Easy to Sharpen

A further advantage of this material is that it is very easy to resharpen. Although it is rarely necessary, in order to recover the first-cut-sharpness the blade only needs 2 or 3 strokes on a ceramic sharpening stick or a whetstone.

Cleaning of the Blades

For cleaning the blades, fine calcium carbon-ate powder, cigar ash, soap detergent or just a scrub sponge is recommended. These remove the dark oxidation surface from the blade, but note: it naturally will darken again.

It is better to leave the dark colour, as this is its ”working-colour“. The dark colour is comparable to the calluses on the hands of someone who has worked their whole life. The easiest thing is to rinse it under running water after use and to dry it carefully. This will reduce discolouration.

Care of Wooden Handles

Do not soak your wood handles in washing-up water. They are also not suitable for dishwashers as this would bleach and dry out the wood. The best cleaning method is under a running tap, holding the point of the blade downwards and quickly drying with a cloth thereafter. 

This grain and the different shades of colour are accentuated even more if you apply natural wood care oil from time to time.

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