Precision Sine Dresser ~ Combination sine system and crossfeed for dressing grinding wheels at precise angles. ~ Range of angles is 0-60 degrees. ~ Distance of rolls center to center is 50mm. ~ Accuracy is within .0002″. ~ Uses a 3/8″ diamond dresser. Combination sine system and crossfeed for dressing grinding wheels at precise angles. Range of angles is 0-60 degrees. Distance of rolls center to center is 50mm. Accuracy is within .0002″. Uses a 3/8″ diamond dresser.