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SPI Measuring & Inspecting Instruments

SPI Measure Up. Every Fraction of an Inch Counts.

Calipers & Micrometers

Electronic Calipers Dial Calipers Mechanical Inside Micrometers
Shop Calipers & Micrometers

Indicators

Dial Drop Indicators Indicator Positioners & Holders Test Indicator Contact Points
Shop Indicators

Gages

Electronic Depth Gages Class Zz Minus Plug & Pin Gages Screw Pitch Gages
Shop Gages

Inspection

Surface Finish Comparators Loupes Bench Top Hardness Testers
Shop Inspection

Calibration, Layout & Machine Setup Tools

Edge & Center Finders Setup Blocks Gage Balls
Shop Calibration, Layout & Machine Setup Tools& Process Control

Levels, Squares & Other Tools Available

Digital & Dial Protractors Steel Rules Combination Square Sets
Shop Levels, Squares & Other Tools Available

For over 60 years, SPI has introduced innovative products to the metalworking industry. We continue to re-engineer and elevate our attention to detail to making our measuring instruments more durable, precise and reliable — all backed by our Industry leading 2-Year warranty.