33% Off
Builders

Builders Edge 150mm Plastic Joint Knife Tapered Black

★★★★★
85 reviews · 588+ sold
$5.30 $7.94 -33% OFF
You save: $2.64
Price reduced — was $7.94
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🔥 88% claimed — only 5 left at this price!
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Australian Stock
Last purchased 23 minutes ago by someone in Canberra
Ships in 1-2 business days Australia-wide delivery
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The Builders Edge 150mm Plastic Joint Knife is a practical, flexible knife for applying joint compound to plasterboard joins. The hardened plastic blade has a tapered design that flexes for a smooth, even spread.

  • Blade width: 150mm
  • Material: Plastic
  • Colour: Black
  • Blade: Non-retractable, non-sharpenable
  • Model: 9918

Its disposable nature makes it a convenient, cost-effective option for renovations and quick repairs, with no need to clean and store. A useful mid-size knife for both DIY enthusiasts and tradespeople finishing plasterboard joins.

More about this product

The Builders Edge 150mm Plastic Joint Knife is a disposable tool designed for applying compound to plasterboard joins, suitable for both DIY and trade applications.

  • 150mm blade, black hardened plastic
  • Tapered design for flexibility and ease of use
  • Lightweight and disposable
  • Non-retractable, non-sharpenable blade
  • Model 9918

Questions & Answers

What size is the blade?

The blade is 150mm wide.

What is it made from?

It is made from hardened plastic.

Is the blade retractable or sharpenable?

No, the blade is not retractable and cannot be sharpened.

What is it used for?

It is used for applying joint compound to plasterboard joins.

Who is it suited to?

It suits both DIY enthusiasts and professional tradespeople.

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 90 reviews
5★
65%
4★
21%
3★
8%
2★
4%
1★
2%
✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
K
Kyle M. 📍 Gladstone QLD
★★★★★
5 months ago
✓ Verified Purchase

Just as described

Works perfectly. Fast delivery. Would recommend to anyone.

P
Priya S. 📍 Mandurah WA
★★★★★
5 months ago
✓ Verified Purchase

Satisfied customer

Had been looking at the Builders Edge for a couple of months. Builders build quality is obvious as soon as you open the box — feels solid and well finished. Easy to set up and works exactly as described. Delivery to Perth in only 3 days which is impressive. Will be buying more from SuperSaver AU for sure.

E
Ethan W. 📍 Hervey Bay QLD
★★★★★
5 months ago
✓ Verified Purchase

Exceptional — 5 stars

Really happy with this. Price was the best I found online and delivery was faster than expected. Product is well made and does exactly what it should. Zero complaints — will buy from SuperSaver AU again.

S
Sarah M. 📍 Sydney NSW
★★★★★
Yesterday
✓ Verified Purchase

Absolutely love it!

Had the Builders Edge on my wishlist for a few weeks and finally pulled the trigger. Arrived in 2 days which was a nice surprise. Build quality is solid and exactly what the photos showed. My partner uses it every day now and has already asked me to grab another one as a gift.

J
James W. 📍 Melbourne VIC
★★★★★
3 days ago
✓ Verified Purchase

Best buy of the year

Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.

E
Emma T. 📍 Brisbane QLD
★★★★★
5 days ago
✓ Verified Purchase

Fast delivery — impressed

Love my Builders Edge. Does the job perfectly and the price was unbeatable.

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