Harbin DQL-8 compass 1. Damping function enable a quick reading in nine seconds 2 Neodymium(NdFeB) needle, highest magnetic strength permanent magnet 3 Less erro (< 0.5degree), High accuracy 4 magnetic declination adjusting knob & Needle lock button 5 Made by German DMG 5-axis machining center 6 100% inspection, 200 QC items for each compass 7 Anti-rust and anti-corrosion surface, treatment by electrostatic spraying process Item Specification Brand Harbin Model No DQL-8 Damping Time