Knipex Cobra Water Pump Pliers - 8702180SBA
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Product Information
Full details
The Knipex Cobra Water Pump Pliers (8702180SBA) are essential for professional plumbers, mechanics, and dedicated DIY enthusiasts who require a reliable tool for gripping, twisting, and holding various hardware. These pliers provide a significant advantage by allowing users to adjust the jaw opening directly on the workpiece with a simple push-button mechanism, minimizing manual strain; however, users should note that the aggressive hardened teeth may leave slight markings on soft or decorative metal finishes.
All features
| Model Part Number | 8702180SBA |
|---|---|
| Brand | Knipex |
Extended Product Information
FAQs
Are these pliers safe to use on electrical circuits?
No, these pliers are not insulated and should not be used on live electrical circuits.
What does the 61 HRC rating mean?
HRC stands for Rockwell Hardness C scale; a rating of 61 indicates the steel is extremely hard and wear-resistant.
Can I use these to cut wires?
While they are intended for gripping and twisting, the jaws are not specialized wire cutters, though they can handle some light-duty cutting tasks.
How do I adjust the jaw opening?
Press the button on the side of the handle, slide the jaw to the desired size, and release the button to lock it in place.
What is the difference between this and standard water pump pliers?
The Knipex Cobra features a button-actuated locking mechanism that is significantly faster and more stable than traditional slip-joint pliers.
Troubleshooting
The adjustment button feels stiff or sluggish.
Clean the button area of any grit or debris and apply a small amount of penetrating oil to the mechanism.
Jaws are slipping on smooth chrome fittings.
Wrap a cloth around the fitting before gripping, or use a tool with smooth jaws if the finish is highly decorative.
Pros and Cons
Pros
- Rapid, one-handed adjustment capability
- High stability due to the double-guide box joint
- Excellent bite and grip strength on varied shapes
- Reduced user fatigue from ergonomic design
- Compact size ideal for tight spaces
Cons
- Aggressive teeth can mar delicate surfaces
- Higher initial investment compared to generic pliers
- Requires proper care to maintain adjustment mechanism
Setup, Compatibility & Care
These pliers do not require any complex setup; they are ready for use immediately out of the packaging. To ensure the longevity of your tool:
- Cleaning: After use in messy environments, wipe the pliers with a clean cloth to remove debris and oils.
- Lubrication: Periodically apply a light machine oil to the pivot point and the adjustment button mechanism to ensure smooth operation.
- Storage: Store in a dry environment to prevent surface oxidation.
- Usage: Avoid using these pliers as a hammer, as striking the tool can damage the adjustment mechanism or the teeth.