Used for Precision measurement, setting of angles & Light machining. Accuracy for Square ness, Flatness & Parallelism within 0.005mm upto 200L & 0.010mm upto 450L. Angle can be set within ±5 seconds. Centre Distance between rollers is within 0.005mm. Made from high quality alloy steel. Compound Angle facility. Hardness - 60 ± 2 Rc & Tempered. Firm hinged clamp to reduce possibility of distortion. M6 & M8 tapped holes for job clamping.