The Lennox Y1493 Klein 646M Magnetic Nut Driver Set is a professional grade hand tool set designed for HVAC technicians, electricians, and maintenance professionals who require precision, durability, and efficiency on the job. Manufactured by Klein Tools, this 2 piece magnetic nut driver set features long 6 inch hollow shanks, making it ideal for working with threaded rods, long bolts, and recessed fasteners commonly found in HVAC equipment, electrical panels, and mechanical assemblies.

The strong magnetic tips securely hold fasteners in place, helping reduce dropped hardware and speed up installation and service work. The hollow shank design allows the driver to pass over long threaded studs, providing access where standard nut drivers cannot reach. Built for daily professional use, this set delivers reliable performance in both field service and shop environments.

 

Key features:

• 2 piece magnetic nut driver set for professional HVAC and electrical applications
• 6 inch hollow shank design for access over long threaded rods and recessed fasteners
• Powerful magnetic tips help retain nuts and reduce dropped hardware
• Durable construction designed for long service life
• Ideal for installation, maintenance, and repair of HVAC systems and electrical equipment

 

Typical applications:

• HVAC equipment installation and service
• Electrical panel assembly and maintenance
• Mechanical fastening on long or recessed studs
• General professional maintenance and repair work

 

Brand information:

This tool set is produced by Klein Tools, a trusted manufacturer known for high quality professional hand tools used across HVAC, electrical, and industrial trades.