text.skipToContent text.skipToNavigation

Boxx Masonry Insert Letterbox H: 150mm, W: 240mm, D: 390mm Stainless Steel Face Plate

SKU: 209848 MODEL: MLK
$ 209   each
Mitre 10
  • Available at selected stores. Check your local store for details


Sized to fit standard six brick column letterbox. Waterproof with large A4 capacity. 2 key locking system provides mail security. Liner manufactured from high density polyethylene plastic.
Features and benefits
  • Sized to fit a standard six brick column letterbox.
  • Waterproof with A4 magazine capacity.
  • Lock supplied with two keys for security.
  • Maintenance free with marine grade stainless steel faceplate included.
  • Designed and made in New Zealand from high density polyethylene plastic.

Buying options


Choose a collection store

This option is not available

A4 Capacity
Brand Name
Stainless Steel Face Plate
Country Of Origin
New Zealand
Lock Included
Model Number
Newspaper Slot Included
Packaging Depth(mm)
Packaging Height(mm)
Packaging Width(mm)
Product Depth(mm)
Product Height(mm)
Product Width(mm)
Warranty Years
2 Year Warranty

Here at Mitre 10 we offer a quick, safe and affordable set of options for delivering your online purchase to home, office or wherever your DIY project is taking place.

Plus if you’re not satisfied with your purchase, simply read the No Hassle Returns page to find out how to return it to us.

Online Home Delivery

Metro Areas

  • Orders under 25kg will cost $7.50
  • Larger orders will cost $7.50 plus a surcharge may apply^

Rural Areas*

  • Orders under 25kg will cost $12.50
  • Larger orders will cost $12.50 plus a surcharge may apply^

* Rural delivery addresses are as defined by New Zealand Post address data.

^ For large orders a surcharge may apply because of size, weight or special handling - this is required to make sure your order reaches you safely. Alternatively the store may contact you to make other delivery arrangements.

View more information

No Hassle Returns

We are happy to exchange or refund any unopened and unused, non-customised items returned to us in their original condition and packaging, including all accessories and the invoice or delivery docket, within 28 days. Customised products, which include products cut, made-to-measure, special order or mixed to specific requirements, cannot be refunded or exchanged.

It’s always easiest to return your product to the store you got it from, but you can return it to any Mitre 10 store. If you prefer to courier your product back to us, just check your invoice to see which store dispatched your order and that’s where you send it back to.

We will refund to your original payment method where possible or, if you prefer, we can issue you a Mitre 10 gift card for the sum equal to the cost of the product excluding handling and any delivery or returns costs.

Faulty Goods

If a problem occurs with a product purchased from Mitre 10 please contact us. We will arrange for it to be repaired or replaced, or provide a refund as specified by the Consumer Guarantees Act.

  1. Some of the products shown on the website may not be available from your local Mitre 10 Store.
  2. In-store pricing may vary.
  3. All prices include GST.
  4. Plants are sourced from local regions and availability and varieties may vary from store to store.

Mitre 10 (New Zealand) Terms & Conditions apply.