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Designed for Australian conditions
Engineered to withstand the harshest climates and built to last with premium materials, this product is crafted with care for everyday Australian life.
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40,000+ Australian customers · Australian-owned & operated
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Overview
Johnson 300mm H D Stainless Steel Combination Square is a versatile tool designed for precise measurements and layout lines in various trades including woodworking, stonemasonry, and metalworking.
This combination square features a CNC-machined square head that ensures layout lines are square to the edges, making it suitable for multiple applications such as a machinist's square, straightedge, adjustable try square, mitre square, marking gauge, and depth gauge. The Auto-Lock™ blade assembly and hardened, screw-in scriber enhance its usability, while the durable acrylic vial ensures accurate readings. Manufactured in the USA, this tool is essential for tradesmen seeking reliability and precision in their work.
Features
- Auto-Lock™ blade assembly for secure measurements
- Hardened, screw-in scriber that remains securely in place
- Durable acrylic vial for accurate level readings
- CNC machined square head for enhanced accuracy
- Versatile tool for woodworking, stonemasonry, and metalworking
Specifications
| Dimensions (W x H x D) | 152mm x 98mm x 330mm |
| Weight | 0.325kg |
| Material | Stainless Steel |
| Model Number | 400M-SD |
| Volume/Size | 300mm |
The Johnson 300mm H D Stainless Steel Combination Square is designed for accuracy and durability in various applications.
Specifications
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Shipping & Returns
Shipping
Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:
- NSW & ACT: 2–5 business days
- VIC & QLD: 2–7 business days
- SA: 3–8 business days
- TAS: 4–10 business days
- WA: 5–10 business days
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
30-day change-of-mind returns
We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.
A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.
Faulty or damaged on arrival
If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.
Warranty
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
- Damage caused by misuse, incorrect installation, or modification.
- Damage during delivery (claim under shipping policy instead).
- Normal wear and tear.
To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.
Complete the set
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Total price
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Why Aussies Shop With Auzzi
A registered Australian business with real local support, transparent pricing, and fair returns.
Australian Business
ABN 79 670 758 782. Registered in Australia.
Fast Australia-Wide Dispatch
Ships fast from our Sydney + Melbourne warehouses.
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30-Day Returns
Change-of-mind returns within 30 days.