This is a Dorath triangular scale, widely used for architecture, drafting, and design, offering high precision.
The 30cm size, in particular, uses a bamboo core that is resistant to aging, combining ideal accuracy and durability for a scale.
Manufactured by Sanko Drawing Instruments, it has been a trusted product for many years, known for its high precision and durability.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
The product does what it’s supposed to do. Nothing extraordinary, but it performs its function well. Delivery was quick and smooth.