The HRUSB-MaxSonar-EZ4 is the narrowest beam width sensor that is also the least sensitive to side objects offered in the HRUSB-MaxSonar-EZ sensor line. The HRUSB-MaxSonar-EZ4 is an excellent choice when only larger objects need to be detected.
The MaxBotix high resolution MB1403 HRUSB-MaxSonar-EZ0 has a wide and sensitive beam, making it an excellent choice for use where high sensitivity or people detection is desired.
The MaxBotix high resolution MB1423 HRUSB-MaxSonar-EZ2 is a good compromise between sensitivity and side object rejection.
3D Scanning Range Finder. The distance is measured by steering the laser beam vertically and horizontally.
Steel Machine Key 3/16" x 3/16", 3/4" long. These keys are economical with high strength and will fit 3/16" keyways.