1. Producte acabatview
The Performance Tool M891 Impact Socket is engineered for durability and reliable performance in various automotive and mechanical applications. Constructed from drop forged chrome vanadium steel, it offers exceptional strength. Its design incorporates rounded corners to ensure a tighter grip on fasteners, effectively minimizing the risk of slipping and rounding off edges. Large size laser etching facilitates quick identification of the correct tool. This socket is specifically designed for high-torque applications with impact wrenches.
Característiques principals:
- Material durador: Made of drop forged chrome vanadium steel for strength and durability, designed to withstand heavy use and provide reliable performance.
- Tighter Grip: Features rounded corners for a tighter grip on fasteners, reducing the risk of slipping and rounding off the corners.
- Identificació fàcil: Large size laser etching for easy identification, making it easy to quickly find the right tool for the job.
- Resistent a l'impacte: Designed for use with impact wrenches, this socket is capable of handling high-torque applications without breaking or cracking.
- Versàtil: With 3/8-Inch and 5/16-Inch sizes, this impact socket is perfect for a variety of automotive and mechanical applications, making it a versatile addition to any tool collection.

Figure 1: The Performance Tool M891 Impact Socket, featuring its size and brand markings.
2. Configuració i preparació
Removing the Anti-Theft Hang Tag:
Before using the socket, the anti-theft hang tag must be removed. Follow these steps carefully:
- Step 1: Snip the Plastic. Using a pair of cutting pliers, carefully snip the plastic portion of the hang tag located just above the "Close/Open" icons on the socket's base. Ensure you wear safety glasses to protect your eyes from small plastic fragments.
- Step 2: Twist the Hang Tag. Once snipped, twist the hang tag 90 degrees counter-clockwise relative to the socket. This aligns the tag per a una fàcil eliminació.
- Step 3: Pull Up. Gently pull the hang tag upwards to fully detach it from the socket. The socket is now ready for use.

Figura 2: Primer pla view of the socket with the anti-theft hang tag attached, showing the area to be snipped.
3. Instruccions de funcionament
The Performance Tool M891 Impact Socket is designed for use with compatible impact wrenches or ratchets. Always ensure the tool is securely attached before applying torque.
Using with an Impact Wrench:
- Seleccioneu la mida correcta: Verify that the M891 socket (3/8-Inch or 5/16-Inch) matches the fastener size.
- Attach to Wrench: Firmly push the socket onto the square drive of your impact wrench until it clicks into place, ensuring a secure connection.
- Enganxar el fixador: Place the socket squarely onto the head of the fastener. Ensure full engagement to prevent stripping.
- Operate Wrench: Activate the impact wrench to loosen or tighten the fastener. The durable chrome vanadium steel construction is built to withstand high-torque impact.

Figure 3: The M891 Impact Socket being used with an impact wrench for automotive applications.
Using with a Ratchet:
- Attach to Ratchet: Slide the socket onto the square drive of your ratchet.
- Enganxar el fixador: Position the socket firmly over the fastener head.
- Aplicar parell de força: Turn the ratchet in the desired direction to loosen or tighten the fastener. The rounded corners provide a secure grip, reducing slippage.

Figure 4: The M891 Impact Socket attached to a ratchet for general mechanical work.
4. Manteniment
Proper maintenance ensures the longevity and optimal performance of your Performance Tool M891 Impact Socket.
- Neteja: After each use, wipe the socket clean with a dry cloth to remove dirt, grease, and debris. For stubborn grime, a mild degreaser can be used, followed by thorough drying.
- Emmagatzematge: Store the socket in a dry environment to prevent rust. A tool chest or pegboard (as shown in Figure 5) is ideal. Avoid storing in damp conditions or where it may be exposed to corrosive chemicals.
- Inspecció: Periodically inspect the socket for any signs of wear, cracks, or damage. Discontinue use if any damage is observed to prevent injury or further damage to fasteners.

Figure 5: Proper storage of sockets on a pegboard for easy access and organization.
5. Solució De Problemes
While the M891 Impact Socket is designed for robust performance, here are some common issues and their resolutions:
- Socket Slipping on Fastener:
- Ensure the correct size socket is being used for the fastener.
- Verify the socket is fully seated onto the fastener head.
- Check for excessive wear on the fastener head or the socket's internal corners.
- Socket Not Fitting on Drive Tool:
- Confirm the drive size of your impact wrench or ratchet matches the socket's drive (e.g., 3/8-inch drive).
- Clean any debris from the drive tool's square end or the socket's opening.
- Socket Damage (Cracks/Deformation):
- This indicates extreme stress. While designed for impact, exceeding its intended torque limits or using it on severely rusted/seized fasteners without proper preparation can cause damage. Replace damaged sockets immediately.
6. Especificacions
| Atribut | Detall |
|---|---|
| Marca | Eina de rendiment |
| Model | M891 |
| Material | Acer al crom vanadi |
| Tipus d'acabat | Chrome Vanadium |
| Nombre de peces | 1 |
| UPC | 039564518911 |
| Pes de l'article | 0.16 unces |
| Dimensions del producte | 1.1 x 5.4 x 1.7 polzades |
| País d'origen | Taiwan |
| Fabricant | Wilmar |
7. Garantia i Suport
The Performance Tool M891 Impact Socket is backed by a Garantia de per vida, reflecting its robust construction and the manufacturer's commitment to quality. This warranty covers defects in material and workmanship under normal use.
For warranty claims, technical support, or general inquiries, please contact Wilmar, LLC, the manufacturer of Performance Tool products. Wilmar, LLC was founded in 1971 and is a leading distributor of professional tools in North America.
For more information, you may visit the official Performance Tool store on Amazon: Performance Tool Store.