Mitutoyo 178-394 Deep Groove Detector for the Surface Roughness Testers 4mN Brand: Mitutoyo ID#: 178-394-MIT |MFGID: 178-394 Your Price: $752.90 Quantity discounts available QuantityPrice Return Policy Add Calibration w/ Certificate? NoNoYes - Contact Me With A Quote Qty -+ Add to Cart Request Info Questions?CallCall Us864.433.9771|Mon-Fri 8-5 EST Share Print Product Info Product Information Description Mitutoyo 178-394 Deep Groove Detector for the Surface Roughness Testers, 4mN The detector is ideal for deep grooves. Detector used with Surface roughness testers in various applications. Diamond stylus tip for precision detection.