The Denar® LabRelator is designed specifically for mounting casts and made to last. This device saves “wear & tear” on your existing Mark 300 articulator, extending the life of the instrument. The LabRelator features: Fully interchangeable with Mark 310, Mark 320 and Mark 330 articulators, which have factory set accuracy to within 20 microns Upper member is non-removable and does not allow excursive movements Durable anodized finish for easy cleaning Smaller size for easy handling