Hide Show DescriptionSet of two handwheel screws for use on all JB manifold models.MR-503JB Industries Customer Reviews Hide Show Write a Review
![JB Industries MR-503 Screw [2 Count]](https://cdn11.bigcommerce.com/s-yclaj98z8x/images/stencil/608x608/products/16863/38540/uc_export_view%26id_1g8XKRJGsl8m7aZ3hml8zVsopSgbSRI_-__76878.1731562461.jpg?c=1 "JB Industries MR-503 Screw [2 Count]")
![JB Industries MR-503 Screw [2 Count]](https://cdn11.bigcommerce.com/s-yclaj98z8x/images/stencil/1280x1280/products/16863/38540/uc_export_view&id_1g8XKRJGsl8m7aZ3hml8zVsopSgbSRI_-__76878.1731562461.jpg?c=1&imbypass=on "JB Industries MR-503 Screw [2 Count]")
![JB Industries MR-503 Screw [2 Count]](https://cdn11.bigcommerce.com/s-yclaj98z8x/images/stencil/50x50/products/16863/38540/uc_export_view%26id_1g8XKRJGsl8m7aZ3hml8zVsopSgbSRI_-__76878.1731562461.jpg?c=1 "JB Industries MR-503 Screw [2 Count]")