JB Industries T21127U HVAC/R Service Ratchet Wrench - 1/4", 3/16" x 3/8", 5/16" J1005 Low Impedance (LoZ) mode for

Low Impedance (LoZ) mode for identifying and eliminating ghost or stray voltages

the screwdriver tip blade can lock in the open position

the SOX3 can be trusted to measure up for any furnace tuning job

Integrated F-connector ''nest'' assists with cable insertion

and refrigeration applications

JB Industries T21127U HVAC/R Service Ratchet Wrench - 1/4", 3/16" x 3/8", 5/16" J1005 Low Impedance (LoZ) mode forJB Industries T21127U HVAC R Service Ratchet Wrench 1 4", 3 16" x 3 8", 5 16" Double end reversible ratchet wrenches feature accurately broached multiple openings and offer the greatest number of uses in a single unit. 1 4", 3 16" on one end and 3 8", 5 16" on the other