- 4" plates fit #3 mechanics vise
- Jaw plates are fully machined on all load-bearing surfaces
- Jaw are made from hardened steel
- Use to replace worn parts on a mechanics vise
![Irwin Replacement Main Screw for #3 Mechanics Vise #T3C (1/Pkg.) Irwin Replacement Main Screw for #3 Mechanics Vise #T3C (1/Pkg.)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/312653/449123/Untitled_design_-_2022-11-28T103641.325__08516.1669654826.jpg?c=2)
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