●High-quality cold-rolled steel sheet surface, away from plastic glass fragile materials, strong metal bearings, safer
● Large dial, high light transmission / high hardness, anti-wear, bright and clear convex lens, clear and accurate needle, classic image, beautiful appearance
● Built-in high quality springs for excellent flexibility and durability. Special correction error adjustment gear, can be manually adjusted to zero
●Feel the gravity through the spring, the force arm drives the pointer to rotate, pure physical movement, no battery required
●Anti-slip mat - rubber anti-slip mat, non-slip bump, base rubber mat design, stable and comfortable