If you have questions about our products you own, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Three Axis Gyro Tools FOG ER-FOG-30C (≤0.3°/h φ32) ◆Dimension: φ32*1084mm◆Bias Stability: ≤0.3(°)/h◆Measuring range: ±120(°)/s