This 3M (9.9ft) extension cable can extend the vision of inspection point and the material is made of aluminum.
MNG-550L Digital Low-Pressure Single Refrigerant Manifold Gauge with Leak Test Function and Control Valve, -14.5~800psi, 88 Available Refrigerants for HVAC Auto AC Repair Tool
Regular Price $41.90 USD
MNG-550H Digital High-Pressure Single Refrigerant Manifold Gauge with Leak Test Function and Control Valve, -14.5-800 psi, 88 Available Refrigerants for HVAC Auto AC Repair Tool
MNG-549 Digital Refrigerant Manifold Gauge Set, 800PSI HVAC Vacuum Pressure Tester with Pressure Holding Leak Test Function, Backlight LCD Display, Supports 88 Refrigerants for R410A R134A R22 R32 R290 R1234YF
Regular Price $96.90 USD
CIR-540 Digital Circuit Breaker Finder with GFCI Tester & NCV Detection Electrical Circuit Tracer High Accuracy Colored Display Audible and Visible Light Indicator
Regular Price $34.90 USD
MUL-400 Mini Digital Oscilloscope Portable 200KHz Meter with 2.8" LCD, Auto Trigger, & USB Power with High Voltage Probe (800V)
Regular Price $22.90 USD