Machinists, toolmakers, and quality control folks - this 50-piece pin gage set is an essential addition to your workshop! Covering the range from 0.011 to 0.060 inches with ±0.0002 inch precision, these bearing steel (GCr15) pins are seriously accurate for all your measurement needs. Each pin undergoes overall heat treatment for higher hardness and strength, so they'll stand up to daily use in the shop. The storage case keeps everything organized with each pin marked with its corresponding size for easy identification - no more guessing which pin is which! These precision tools are perfect for checking hole locations, verifying hole sizes, measuring gage slots, determining distances between holes, and serving as go/no-go gages. They're also great for setting other gages and even calibrating your micrometers. Whether you're working in manufacturing, automotive, or any precision trade, having a complete set like this saves so much time and ensures your measurements are spot-on. The quality bearing steel construction means these pins won't deform or wear out quickly, giving you reliable measurements project after project. If you're tired of makeshift measuring methods or incomplete gage sets, this 50-piece collection has you covered for the most common small hole measurements. It's one of those tool investments that pays for itself in accuracy and time saved on every job. Your quality control will thank you!