PROTO C708A Wrench End Engineer Lathe 3/8

( Brand: Proto ), ( Manufacturer Part Number: C708A ), ( Type: Open-end Wrench ), ( System Of Measurement: Sae ), ( Size: 1-3/8 ), ( Set Or Single Item: Single Item ), ( Country/region Of Manufacture: United States )

Review PROTO Vintage Wrench 3/8 Open End Engineer Lathe

Introducing the PROTO C708A 3/8-inch End Engine Lathe Wrench, a versatile and indispensable tool for any engineering workshop or machinist's toolbox. Designed with precision and durability in mind, this wrench is engineered to provide a secure and reliable grip on 3/8-inch square drive lathe tools.

The wrench boasts a robust and sturdy construction, with a forged and heat-treated alloy steel body that ensures strength and longevity. The wrench's 12-point, open-end design offers maximum grip surface area, allowing you to easily access and tighten bolts and nuts in tight spaces. The 3/8-inch square drive end is compatible with a wide range of lathe tools, making this wrench a valuable addition to your toolkit.

The PROTO C708A wrench features a comfortable and ergonomic handle, designed to reduce user fatigue during extended use. The handle is coated with a non-slip, textured material, providing a secure and confident grip, even when hands are greasy or wet. The handle's length is strategically designed to maximize leverage, allowing you to apply maximum torque to bolts and nuts with ease.

The wrench's precision-machined jaws are designed to fit snugly around lathe tools without marring or damaging their surfaces. The jaws are also chrome-plated for added durability and corrosion resistance, ensuring the wrench remains in excellent condition even in harsh industrial environments.

The PROTO C708A 3/8-inch End Engine Lathe Wrench is a high-quality tool that is built to last. Its robust construction, versatile design, and ergonomic features make it an essential tool for any engineering workshop, machinist, or mechanic. With this wrench in your toolbox, you can tackle even the most challenging lathe jobs with confidence and ease.

The Proto C708A 3/8-inch End Engine Lathe Wrench is a specialized tool often used in machining and engineering applications. Here are some potential pros and cons of purchasing this wrench:

1. Precision Fit: The wrench is designed specifically for 3/8-inch end engine lathes, ensuring a perfect fit and efficient use.

2. Durability: The wrench is manufactured from high-quality materials, such as chrome-vanadium steel, making it durable and long-lasting.

3. Comfort: The ergonomic design of the wrench provides a comfortable grip, reducing user fatigue during extended use.

4. Versatility: The wrench can be used for a variety of tasks, including tightening and loosening bolts, nuts, and other fasteners.

5. Cost-Effective: Compared to other specialized wrenches, the Proto C708A is relatively affordable.

1. Limited Use: The wrench is designed specifically for 3/8-inch end engine lathes, making it less versatile than other standard wrenches.

2. Size: The wrench may take up more space in a toolbox due to its unique shape and size.

3. Expensive compared to Standard Wrenches: Although it is cost-effective compared to other specialized wrenches, it may still be more expensive than a standard 3/8-inch wrench.

In conclusion, the Proto C708A 3/8-inch End Engine Lathe Wrench is a valuable tool for those who work frequently with 3/8-inch end engine lathes. Its precision fit, durability, comfort, versatility, and cost-effectiveness make it a worthwhile investment for machinists and engineers. However, its limited use and size may be drawbacks for some. Ultimately, the decision to purchase this wrench depends on the specific needs and budget of the user.

If you frequently work with 3/8-inch end engine lathes and require a specialized wrench for efficient and effective use, then the Proto C708A 3/8-inch End Engine Lathe Wrench is a recommended purchase. However, if you have limited use for this type of wrench or prefer a more versatile standard wrench, then it may be best to consider other options.

Details:

Made by the trusted brand Proto in USA, this single item wrench follows SAE system of measurement. The Vintage PROTO C708A Wrench is a classic open-end wrench with 1 3/8 size, perfect for automotive and engineering applications.

part #: c708a prices

• $20.00-$24.99

specifications handwrenche:

• brand: Proto
• mpn: C708a
• type: Open-end Wrench
• system of measurement: Sae
• size: 1-3/8
• set or single item: Single Item
• country/region of manufacture: United States

general handwrenche:

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

offer handwrenche:

• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: September 23, 2025

seller handwrenche:

• # reviews: 5679
• city: Tucson, Arizona
• rating: 99.9%

returns handwrenche:

• policy: No Returns

payments handwrenche:

• credit card: Diners-club
• other
• wallet: Apple-pay

shipping handwrenche:

• type: Fixed
• service: Expedited
• transit: 3-9 Days
• cost: $9.99
• class: Expedited

Proto C708A Is Similar To:

• 1012-500 Proto Double Offset Box End Wrench Point Usa (32.7% similar) The wrench is in great condition but does have a number engraved and some light scratches. Shipping box size 9 x 7/1 estimated package weight...(May 2nd, 2018)
• 1120-l Proto Professional Box End (31.1% similar) They are in good, used condition. Come back often. Shipping: if possible, I am happy to combine shipping. I only sell quality new and used items. Howells-depot. Confirmation is included in the shipping price...(July 23rd, 2017)
• 1130 1126 Proto Vintage Los (35.7% similar) Vintage Proto Los Angeles 5/8 x and 1/2 box wrench, 1126...(January 7th, 2018)
• 1130-l Proto Box Wrench (32.5% similar) Proto 1130-L box wrench used, as pictured tray...(September 5th, 2018)
• 1131 Proto Tools Wrench Double (34.5% similar) Used but I good working order...(July 20th, 2017)
• 1133m Proto Wrench 30mm-32mm Double (37% similar) A really solid wrench. Has owner markings. 19 inches long. Used but in good condition, normal scraps and dings...(July 19th, 2017)
• 1140 Proto Usa Box End Wrench (37.2% similar) Great mechanical condition, nice sharp peaks on the points, fair to good cosmetic condition. Used but not up, Proto box end wrench, 7/8 and the other is measures 14 long...(December 22nd, 2016)
• 1162 Proto Tools Box End (27.2% similar) Proto tools box end wrench x USA P/N 1162 free...(September 3rd, 2017)
• 1185m-a Proto Offset Double Box Reversible Ratcheting Wrench Point (34.1% similar) Built in retaining ring each ratchet wheel adds speed and convenience for greater accessibility. Proto offset double box reversible ratcheting wrench 15 x 17MM - 12 point 1185MA features and benefits:full polish finish provides corrosion resistance easy to clean surfaces. Shorter length for access...(October 17th, 2018)
• 1186 Proto Ratcheting Box Wrench (38.2% similar) New without box bee...(July 4th, 2018)
• 1190m Proto Pc Metric Ratcheting Box Wrench Set Usa Made (37.2% similar) All are 6 point except the 15MM x 17MM is a 12. Sizes INCLUDE:7MM x 8MM, 9MM 10MM, 11MM 12MM, 13MM 14MM, and 15MM 17MM. Proto 1190M 5 PC metric ratcheting box wrench set USA made. New old inventory stock, 7MM to 15MM and 17MM...(October 22nd, 2018)