Klein Tools 68201 Ratcheting Box End Wrench 3/8x7/16

Product Description

The KLEIN TOOLS 68201 is a double-end ratcheting box wrench sized 3/8 inch by 7/16 inch, built for trade professionals who need fast fastener driving in tight quarters. The wrench is drop-forged, hardened, and tempered from 29-material steel, giving it the durability required for daily field use. At 5.5 inches overall length, it fits comfortably in confined spaces where open-end or combination wrenches cannot get adequate swing arc. The single-hex box profile grips fastener flats cleanly and reduces rounding risk under torque. Electricians, HVAC technicians, plumbers, and general mechanical trades keep this size range in rotation for panel work, equipment connections, and conduit fittings.

This wrench is suited for residential and light commercial service work where 3/8 inch and 7/16 inch fasteners appear frequently. Common applications include electrical panel knockouts and hardware, HVAC equipment access panels, plumbing fixture supply stops, and general mechanical assembly. The compact 5.5-inch straight profile allows access in shallow bays and recessed bolt locations. The ratcheting mechanism eliminates the need to reposition the wrench on each stroke, reducing labor time on repetitive fastening tasks.

Key Features

• Double-end ratcheting box design covers two fastener sizes in one tool: 3/8 inch and 7/16 inch
• Drop-forged, hardened, and tempered 29-material steel construction for field-grade durability
• Single-hex box profile reduces fastener rounding compared to 12-point designs
• 5.5-inch overall length fits confined spaces and shallow bolt pockets
• Straight profile for direct-access applications without offset interference
• Sold individually; packaged 6 per inner pack for stocking and jobsite kitting

Compatibility

Designed for standard 3/8 inch and 7/16 inch hex fasteners commonly found in electrical, HVAC, plumbing, and general mechanical applications.

Installation Notes

This wrench is a hand tool requiring no power source or calibration before use. Inspect the ratcheting mechanism for smooth operation before applying load to critical fasteners. Do not use extensions or pipe cheaters on a short box wrench, as overstress can damage the ratchet pawl. Follow applicable NEC, IFGC, or IPC fastener torque guidance for the specific equipment being serviced.

Technical Specifications

• Drive Sizes: 3/8 inch x 7/16 inch
• Overall Length: 5.5 inches
• End Type: Double end ratcheting box
• Profile: Straight
• Box Shape: Single hex
• Material: Drop-forged hardened tempered steel (29 material)
• Weight: 0.2 pounds
• UPC: 092644682018

Standard Information

• Brand: KLEIN TOOLS
• Manufacturer Part Number: 68201