Materials & Craftsmanship
This combination square is constructed from high-quality stainless steel for the ruler and zinc alloy for the square head, ensuring a durable, rust-resistant, and non-deforming tool with a clear bubble level and integrated scriber.




Product Features & Usage Scenarios
A versatile 300mm (12-inch) combination square ruler with a bubble level, capable of measuring right angles, 45° angles, length, depth, and width.
Features dual-sided metric and imperial scale markings for easy and precise reading.
Includes an integrated scriber for marking lines without an additional pen and an effective spring screw clamping system for easy ruler adjustment and removal.
Suitable for a wide range of measurement, marking, and layout tasks in home improvement, engineering, and construction projects.
Dimensions & Specifications
| Specification | Description |
|---|---|
| Ruler Length | 300 mm (12 inches) |
| Primary Material | Stainless Steel (ruler), Zinc Alloy (head) |
| Scales | Dual-sided (Metric & Imperial) |
| Special Features | Bubble Level, Integrated Scriber, Adjustable Clamp |
| Measurement Functions | Angles (90°, 45°), Length, Depth, Width |
| Product Dimensions | 32L x 14W x 4H centimetres |
| Weight | 410 grams |
| Included Components | 1 x Combination Square Set (ruler, square head with level and scriber) |
Installation & Maintenance
No installation required. To use, loosen the spring screw to slide the ruler to the desired position, then tighten to lock. For checking a right angle, refer to the provided three-step verification method. For maintenance, keep the tool clean and dry; store in a dry place to prevent damage.
Manufacturer Details
Manufacturer: HANGZHOU GREATSTAR INDUSTRIAL CO.,LTD. Registered Address: No.35 Jiuhuan Road, Shangcheng District, Hangzhou, China. Email: service@greatstartools.com.
5.0(2 reviews)|70+ sold