Gauge Blocks

Discover high-precision Gauge Blocks at Wallers Industrial, essential for accurate measurement, calibration, and inspection tasks in machining and fabrication. Also known as slip gauges, these hardened steel blocks provide reliable reference standards for setting up tools, verifying machine accuracy, and achieving tight tolerances. Ideal for quality control professionals, machinists, and industrial workshops, our gauge blocks ensure consistent results in planning and production processes. Easy to stack and use, they help improve measurement confidence and manufacturing accuracy. Shop online for quality gauge blocks, expert support, and fast delivery from Wallers Industrial—your trusted source for precision metrology tools.

We stock over 1,200 INSIZE Measuring Instruments to ensure we have a tool for every job.
These tools are accurate,  durable, and they come with a 1 year warranty and Certificate of Registration across the range!