Irwin Vise-Grip 7CR Original Curved Jaw Locking Pliers, 7 in.
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Irwin Vise-Grip 7CR Curved Jaw Locking Pliers, 7 in.
Curved jaws put pressure on four points of a nut or a bolt head, which is what lets these turn a fastener that has rounded off. This is the plain curved jaw, without the wire cutter that the 7WR carries.
The barcode on this listing is 038548990712, which IRWIN lists against stock number 4935578, the Original 7CR. Earlier copy on this page described it as a Fast Release tool. It is not. This is the classic trigger release.
IRWIN backs these with a lifetime limited warranty against defects in material and workmanship.
Specifications
| Specification | Value |
|---|---|
| Model | 7CR |
| IRWIN stock number | 4935578 |
| Size | 7 in. (175 mm) |
| Jaw | Curved, hardened teeth |
| Wire cutter | No |
| Handle | The Original, trigger release |
| Material | Heat-treated alloy steel |
| Adjustment | Hex adjusting screw in the handle |
| Replacement adjusting screw | 40-21 |
| Replacement spring | 40-22 |
| SKU | 047CR |
Questions
Is this the Fast Release version?
No. The barcode matches IRWIN stock 4935578, which is the Original 7CR with the trigger release. The Fast Release 7CR is stock 13T.
How is it different from the 7WR?
Same size and same curved jaw. The 7WR adds a wire cutter behind the jaws.
Will it turn a rounded nut?
That is what the curved jaw is for. It bites at four points rather than two, so it holds where an open wrench has started to slip.