This is a triangular scale. I'm not familiar with it, so please refer to the photos for the scales, etc.! Although it's unused, please understand that it has been stored by a non-professional. Feel free to ask if you'd like to see photos from other angles. Instant purchase is OK ⭕️ Shipping is possible within 24 hours! A triangular scale with various sizes and scales, capable of precise measurements. - Colors: White, Black, Orange - Sizes: 150mm, 200mm, 300mm - Scale Type: Triangular Scale - Scales: Metric, Imperial Thank you for looking.