Features Unique Design: The gauge blocks have a cross drilling design that allows for achieving the lowest possible weight while ensuring maximum strength. Stainless Steel: Made from excellent stainless steel that undergoes processes such as hardening, stress relieving, and precision grinding. Reliable Positioning: Professional gauge blocks provide precise dimensions and parallelism, allowing for accurate positioning of workpieces. Wide Application: Used for clamping, support, installation, and inspection tasks. Suitable for various types of machinery and can be used in different industries. Practical Tool: Whether it's drilling, milling, or assembly work, the gauge blocks make operations simple, cost effective, and enable convenient clamping of a set of workpieces. Specification: Item Type: Gauge Blocks Material: Stainless Steel Size: 25‑50‑75mm, 1‑2‑3inch Package List: 1 x Gauge Block 4 x Screw 1 x L Wrench  Package List 1 x Gauge Block 4 x Screw 1 x L Wrench