Estwing Hammer Replacement Parts For E3-CA Milled Face Shinglers Hammer includes a pack of 3 blades, 2 screws, and 1 gauge. A must-have for any professional or DIY enthusiast who owns an Estwing E3-CA Milled Face Shinglers Hammer. These replacement parts are designed to keep your hammer in top condition, ensuring that you can always get the job done right. The blades are made of high-quality steel that is built to last, and the screws and gauge are durable and easy to use. With these replacement parts, you can be sure that your Estwing hammer will continue to perform at its best for years to come.