300mm Combination Square Set – Spirit Level, Protractor & Ruler
300mm Combination Square Set – Spirit Level, Protractor & Ruler
Precision Combination Square Set – Your All-in-One Measuring Solution
Take your measuring and marking game to the next level with this professional-grade 300mm Adjustable Combination Square Set. Engineered for carpenters, machinists, hobbyists, and DIY enthusiasts alike, this versatile kit combines a spirit level, protractor head, center head, and stainless steel ruler into one compact, portable package. Made in Mainland China.
Key Features
- Quenched & Tempered Blades – Heat-treated stainless steel blades for long-lasting durability and resistance to rust and corrosion.
- Built-in Spirit Level – Both the square head and protractor head include a spirit level bubble vial for quick, accurate leveling checks.
- 180° Protractor & Center Head – The reversible, graduated protractor head measures 0–180° with ease, while the center head locates the exact center of round stock.
- Dual-Scale Stainless Steel Ruler – Slotted and etched 300mm (12 inch) ruler features both metric and imperial markings for maximum versatility.
- Brass Screw & Scriber – Solid brass locking screw ensures a firm hold at any setting; the included scriber doubles as a precise marking tool with a built-in level.
- Beveled Edge Extension Blade – Fine roller knob and precision micro-adjustment make it ideal for measuring inner and outer corners of workpieces.
- Versatile 3-in-1 Tool Kit – Functions as a depth gauge, height gauge, marking gauge, try square, miter square, and protractor — all in one tidy set.
- Portable & Compact Design – Replaces multiple individual measuring tools, keeping your workbench organized and clutter-free.
Specifications
| Material | Stainless Steel |
| Blade Length | 300mm (12 inches) |
| Measurement Range | 0–180 degrees |
| Scale | Metric & Imperial |
| Includes | Square head, Protractor head, Center head, Spirit level, Scriber, Stainless steel ruler |
| Origin | Made in Mainland China |
You May Also Like
- 1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Fine-Toothed for Carpentry and Gardening
- 1pc Professional Heavy-Duty Pruning Shears with Anti-Slip Handle Design
- 10Pcs Wooden Handle Nylon Bristle Paint Brush Set – Hand Tool Set
Learn more: OSHA on eye and face protection
Frequently Asked Questions
Q: What is included in the 300mm combination square set?
A: The set includes a 300mm (12-inch) stainless steel ruler, a square head with spirit level, a 180° protractor head, a center head, and a brass scriber with a built-in level. Together, these components allow you to measure angles, find centers, check levels, and mark workpieces with high accuracy.
Q: Can this combination square measure both metric and imperial units?
A: Yes! The stainless steel ruler is etched with both metric (millimeter) and imperial (inch) graduations, making it suitable for a wide range of woodworking, metalworking, and engineering applications worldwide.
Q: Is the protractor head adjustable and reversible?
A: Absolutely. The protractor head is fully graduated from 0° to 180° and is reversible, allowing you to measure angles in both directions. A roller knob and fine micro-adjustment ensure precise, secure positioning at any angle.
Q: Who is this combination square set best suited for?
A: This set is ideal for carpenters, engineers, machinists, metal fabricators, students, and serious DIY enthusiasts who need a reliable, multi-function measuring tool that can handle depth gauging, height gauging, angle measurement, centering, and surface marking — all in one compact kit.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.