Proto j5266 Breaker Bar 3/8 in Drive 12 in Alloy Steel

Product Description

The PROTO j5266 is a flex-head breaker bar designed for heavy-duty fastener removal in demanding trade and maintenance environments. The hinged head swivels to position sockets at multiple angles, giving technicians access to fasteners in tight or obstructed locations. Built from alloy steel with a chrome finish, the j5266 accepts 3/8 inch drive sockets and measures 12 inches in length. The knurled grip provides a secure hold during high-torque applications. Licensed HVAC technicians, plumbers, electricians, and mechanical contractors reach for breaker bars when fasteners require more leverage than a standard ratchet provides.

The j5266 suits residential and commercial service work where 3/8 inch drive tooling is the standard. It is well-suited for equipment teardown, panel access, pump removal, compressor service, and general mechanical maintenance. The 12 inch handle delivers meaningful leverage for stubborn or corroded fasteners without requiring an extension cheater bar in most situations.

Key Features

• Flex-head hinged design swivels to multiple angles for improved fastener access
• 3/8 inch drive accepts a wide range of standard sockets
• 12 inch length provides increased leverage over short-handled ratchets
• Alloy steel construction for durability under high-torque loads
• Chrome finish resists corrosion and simplifies cleaning
• Knurled grip reduces slip during use

Compatibility

Designed for use with standard 3/8 inch drive sockets and accessories.

Installation Notes

Always ensure the socket is fully seated on the drive before applying force. Power down or de-energize equipment before performing any fastener service on electrical or mechanical assemblies. Use appropriate personal protective equipment when breaking loose corroded or high-torque fasteners. Do not use a cheater pipe or extension on the handle, as this can exceed the rated capacity of the tool and cause breakage or injury.

Technical Specifications

• Drive Size: 3/8 inch
• Overall Length: 12 inches
• Grip Type: Knurled
• Material: Alloy Steel
• Finish: Chrome
• Head Type: Flex (hinged)

Standard Information

• Brand: PROTO
• Manufacturer Part Number: j5266