Diavite Tracer with skid for transversal measurement QBH, 5 µm/90° for VH/VHF, Article code: QBH-00/00/90/5PDF Brochure Diavite Tracer with skid for transversal measurement QBH, 5 m 90 for VH VHF, Article code: QBH 00 00 90 5 transverse displacement taster modified BH probe mounted on a 90 support for groove with a minimum aperture of 2. 5 mm maximum depth 20 mm radius of the tip: standard 5 m radius of skid: r = 10 mm do not use with the advance device down the use of a stand for the advance device is strongly advised