Kearing Plastic L-Square Ruler 12” / 26cm
The Kearing Plastic L-Square Ruler is an essential precision tool for sewing, pattern making, quilting, and garment construction. Designed for accuracy and ease of use, this clear L-square allows you to create perfect right angles, square lines, and consistent measurements every time.
With a 12” (26cm) dual-scale design, this ruler is ideal for both metric and imperial users, making it a versatile addition to any sewing workspace. The transparent construction allows you to clearly see your fabric or pattern underneath, ensuring accurate placement and clean marking.
Key Features
- 12” / 26cm dual measurement for flexible use
- Clear transparent design for precise positioning
- Lightweight yet durable flexible plastic construction
- Easy-to-read markings that won’t rub off over time
- Approximately 1.2mm thick for a balance of flexibility and control
Built for accuracy and control
This L-square is perfect for:
- Drafting patterns and garment blocks
- Marking seam allowances and hems
- Squaring fabric edges for cutting
- Quilting layouts and alignment
The right-angle design ensures clean, professional results, whether you're working on detailed tailoring or everyday sewing projects.
Why this belongs in every sewing room
A quality L-square is one of those tools you don’t realise you need until you have one. Once it’s in your kit, it becomes a go-to for improving accuracy, speeding up layout work, and reducing costly mistakes.

