PROTO 1120-5020 Box End Wrench 3/8 5/16 12-POINT

( Brand: Proto ), ( Manufacturer Part Number: 1120-5020 ), ( Type: Box Wrench ), ( System Of Measurement: Sae ), ( Size: 5/16in. ), ( Set Or Single Item: Set ), ( Drive Type: 12 Point ), ( Country Of Origin: United States )

Review PROTO Box End And Open Wrench 3/8 5/16 1120 12-point 5020 Short

The Proto 1120-5020 is a versatile 12-point box end wrench from Proto, a trusted name in professional tool manufacturing. This wrench is specifically designed to fit bolts and nuts with hexagonal or square drive surfaces, measuring 3/8 inches or 5/16 inches in size.

The 1120-5020 wrench boasts a 12-point design, which allows it to engage bolts and nuts with rounded or square corners, providing a more secure grip and reducing the risk of rounding off the corners of the fasteners. This feature is particularly useful in automotive repair, plumbing, and other applications where various bolt and nut shapes are encountered.

The Proto 1120-5020 box end wrench is made from premium quality steel, ensuring both durability and strength. The box end design features a thick, flat, and wide jaw surface, which provides a large contact area, making it an excellent choice for applications requiring high torque. The wrench's jaw faces are also chrome-plated for superior resistance to rust and corrosion.

The handle of the Proto 1120-5020 wrench is ergonomically designed for a comfortable and secure grip, even in tight spaces or when using it in various angles. The handle length is well-balanced, allowing for efficient power transfer from the user to the wrench for greater torque and ease of use.

This box end wrench is part of Proto's Pro-Series line, which is known for its professional-grade quality and reliability. The Proto 1120-5020 wrench is backed by a limited lifetime warranty, ensuring customer satisfaction and peace of mind.

In summary, the Proto 1120-5020 12-point box end wrench is a must-have tool for mechanics, DIY enthusiasts, and professionals in various industries. Its versatile design, durability, and ergonomic features make it an indispensable addition to any toolbox. With its ability to fit 3/8 inch and 5/16 inch bolts and nuts, this wrench is a practical and cost-effective solution for tackling a wide range of tasks.

Pros and Cons of Buying a 1120-5020 Proto Box End Wrench (3/8, 5/16, 1120, 12-point)

The Proto 1120-5020 Box End Wrench is a versatile tool designed to fit nuts and bolts with 12-point, 3/8, 5/16 inch sizes. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this specific wrench model.

1. Versatile: The 1120-5020 Proto Box End Wrench comes with three different sizes, making it an excellent addition to any mechanic's or DIY enthusiast's toolbox.

2. Durable: Proto is known for manufacturing high-quality tools, and this wrench is no exception. It is made of chrome vanadium steel, ensuring it can withstand heavy-duty use.

3. 12-point design: The 12-point design of this wrench allows for greater accessibility to nuts and bolts with odd shapes or limited space.

4. Affordable: Compared to other brands and wrench sets, the Proto 1120-5020 Box End Wrench is reasonably priced.

1. Size: While the three sizes included in this wrench are useful, some users might prefer a wider range of options.

2. Weight: Due to its high-quality materials and construction, this wrench is heavier than some alternatives, which may not be ideal for prolonged use or users with weaker hands.

The Proto 1120-5020 Box End Wrench is a high-quality, versatile, and affordable tool that is ideal for professionals and DIY enthusiasts looking for a reliable wrench to tackle various nuts and bolts. Its 12-point design and durable construction make it a worthwhile investment for those who require a wrench that can handle heavy-duty applications.

If you're in the market for a new box end wrench and are looking for a versatile, durable, and affordable option, the Proto 1120-5020 Box End Wrench is an excellent choice. It offers the convenience of having three sizes in one tool, making it a valuable addition to any toolbox.

Details:

With a set of two pieces, this tool is designed for precision and efficiency in various mechanical tasks. Made in the USA, this high-quality hand tool comes from well-known brand Proto. The box wrench features a durable construction, making it reliable addition to any mechanics toolkit. The Proto Box End Open Wrench set includes a 12-point 3/8 and 5/16 size, perfect for automotive use.

part #: 11205020 price

• $11.96

specifications handwrenche:

• brand: Proto
• mpn: 1120-5020
• type: Box Wrench
• system of measurement: Sae
• size: 5/16in.
• set or single item: Set
• drive type: 12 Point
• country of origin: United States

payments handwrenche:

• wallet: Google-pay
• other
• credit card: Mastercard

offer handwrenche:

• quantity: 1
• best offers: True
• started: May 25, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock

seller handwrenche:

• # reviews: 8685
• rating: 100.0%
• city: Kingsburg, California

general handwrenche:

• Automotive Tools Supplies > Hand Tools > Wrenches
• condition: Used

returns handwrenche:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

shipping handwrenche:

• type: Calculated
• transit: 5-11 Days
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• cost: $8.75

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