PROTO Breaker Bar: 1/4 in Drive, 5 3/4 in Lg, Knurled Grip, Alloy Steel
The PROTO J4766 is a 1/4 in drive flex-head breaker bar with a 5 3/4 in length, featuring a knurled grip. It is constructed from alloy steel with a chrome finish, offering a durable and corrosion-resistant tool for…
SKU 3G-OTH-310509
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Product Description
The PROTO J4766 is a 1/4 in drive flex-head breaker bar with a 5 3/4 in length, featuring a knurled grip. It is constructed from alloy steel with a chrome finish, offering a durable and corrosion-resistant tool for industrial applications.
Frequently Asked Questions
What is the PROTO J4766 breaker bar used for?
The PROTO J4766 is a 1/4 in drive flex-head breaker bar used to loosen stubborn fasteners in tight spaces. Its knurled grip and alloy steel construction provide durability and corrosion resistance for industrial maintenance, automotive repair, and assembly applications.
What are the specifications of the PROTO J4766 breaker bar?
The PROTO J4766 has a 1/4 in drive, 5 3/4 in length, flex head, and knurled grip. It is made of alloy steel with a chrome finish. The manufacturer part number is J4766. These specs ensure a compact, corrosion-resistant tool for high-torque loosening.
Where to buy the PROTO J4766 breaker bar worldwide?
3G Electric supplies the PROTO J4766 breaker bar worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this alloy steel, chrome-finished tool to your facility. Contact us for availability and lead time.
How to maintain the PROTO J4766 breaker bar?
To maintain the PROTO J4766, clean the chrome finish with a dry cloth after use to prevent corrosion. Store in a dry environment. Periodically check the flex-head pivot for smooth movement and apply light oil if needed. Avoid using as a hammer to preserve the alloy steel.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO flex-head breaker bars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









