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Builders

Builders Edge 250mm Plastic Curved Joint Plaster Knife Black

Name: Builders Edge 250mm Plastic Curved Joint Plaster Knife Black
Brand: Builders
SKU: ING0730314
Price: 7.18 AUD
Availability: InStock

★★★★★

85 reviews · 708+ sold

$7.18 $10.76 -33% OFF

You save: $3.58

Price reduced — was $10.76

23 people bought this in the last week

8 people have this in their cart right now

🔥 88% claimed — only 5 left at this price!

Only 5 left!

Ships in 1-2 business days Australia-wide delivery

Australian Stock Ships from AU warehouses

We accept:

The Builders Edge 250mm Plastic Curved Joint Plaster Knife is designed with a curved blade to build a slight crown over plasterboard joins. The hardened plastic blade has a tapered design that flexes for smooth, controlled application of compound.

Blade width: 250mm
Material: Plastic
Colour: Black
Blade shape: Curved
Blade: Non-retractable, non-sharpenable
Model: 9920

The curved profile helps lay compound slightly proud of the join, which sands back flush for a smooth finished wall. Disposable and cost-effective, it suits both DIY enthusiasts and tradespeople finishing wider plasterboard joins.

More about this product

The Builders Edge 250mm Plastic Curved Joint Plaster Knife is a disposable tool designed for applying compound to plasterboard, suitable for both DIY and trade applications.

250mm curved blade, black hardened plastic
Tapered design for flexibility and a slight build of the join
Lightweight and disposable
Non-retractable, non-sharpenable blade
Model 9920

Questions & Answers

What size is the blade?

The blade is 250mm wide.

Why is the blade curved?

The curved blade builds a slight crown of compound over the join, which sands back flush for a smooth finish.

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 compound to plasterboard joins.

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 ★★★★☆ 57 reviews

5★

65%

4★

21%

3★

2★

1★

✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases

Jessica L. 📍 Toowoomba QLD

★★★★★

2 months ago

✓ Verified Purchase

Already bought a second one

Placed the order in the evening and got a shipping notification the next morning. Arrived 2 days later in great condition. Product is well made and does everything it should. Really happy with the whole experience.

Ben A. 📍 Fremantle WA

★★★★★

2 months ago

✓ Verified Purchase

Quick delivery to regional QLD

The Builders Edge arrived fast and works perfectly out of the box.

Grace W. 📍 Parramatta NSW

★★★★★

2 months ago

✓ Verified Purchase

Perfect gift — loved it

Bought this as a replacement for one I have had for years and I am glad I upgraded. The new one is noticeably better. Had a tracking number within a few hours of ordering. Packaging was excellent, nothing damaged. Already told a few mates about this site. Great prices and genuinely fast shipping.

Oliver H. 📍 Rockhampton QLD

★★★★★

2 months ago

✓ Verified Purchase

Arrived well packed

The Builders Edge is a solid buy. I was a bit unsure about the size from the photos but it is perfect in person. Delivery was faster than expected. Very satisfied with this purchase.

Natalie F. 📍 Launceston TAS

★★★★★

3 months ago

✓ Verified Purchase

Better than expected

No issues at all. Fast delivery and exactly as described.

Chris N. 📍 Mackay QLD

★★★★★

3 months ago

✓ Verified Purchase

Great value for money

Spent a while looking for the right Builders Edge and this kept coming up as the best value. I can see why — quality is impressive for the price. Delivery took just 2 days to Townsville which is great. Packaging was solid and everything intact. My partner and I both use it daily now. Highly recommended.