Halo-18 Microdrive

Provides up to 18 independently drivable shuttles to position up to 16 tetrodes with 11mm shuttle travel. Two additional shuttles available for fiber optics or reference electrodes.

Custom “half moon” drive screw head and calibrated Turn Tool provide positive, accurate 16 micron depth adjustment.

Halo-18 Exit Tips interface into craniotomy and dictate electrode insertion pattern. We provide two guides to determine which Exit Tip pattern best meets your needs:

  • Halo-18 Microdrive Exit Tip Configuration Guide
  • Halo-18 Microdrive Exit Tip Design Guide

Customizable Exit Tip patterns are also available per custom design.

Contact Sales@neuralynx.com for guides and details.

Halo-18 microdrives seamlessly integrate with Neuralynx’s FreeLynx wireless data acquisition systems for signal recording.

Note: All Halo-18 Microdrive components and hardware also sold separately. See User Manual for suggested sources for recommended adhesives and additional tools.

  • Standard and customizable Exit Tip patterns

  • Reusable (up to 3)

  • Lightweight, solid & durable with short profile reducing head torque

  • Less expensive and easier to build

  • Optogenetic Fiber Mounted LEDs (FLEDs) may be loaded as a drive shuttle

  • Replaces NLX 18 Drive

  • All necessary components and hardware to build 1 Halo-18 Microdrive.
Sold Separately:
  • Halo-18 Assembly Kit
    Recommended for use. Includes Assembly Jig, Halo-18 Stereotaxic Mount and Halo Microdrive Turn Tool
  • Halo-18 Protective Caps
    Recommended for easy installation and removal, and safe animal storage. 2 Cap options available:
    • QuickClip® for magnetic connection
    • Omnetics


Tetrode Drives 16
Reference Drives 2
Grounds 1
Travel 11 mm
Pitch 250 microns
Drive Resolution 16 microns (1/16 turn)
Mass 9 grams
Diameter 40.6 mm
Height 36 mm
Comments Internal grounding screw pass through
Measurements include assembled EIB-72-QC electrode interface board. *Neuralynx is not a distributor of Omnetics parts