Brownell's Screw Chek'R - Metric Screw Chek'R Steel

BROWNELL'S SCREW CHEK'R The Brownells Screw Chek'r is an essential tool for gunsmiths and machinists, designed to accurately identify screw sizes and thread pitches. This precision gauge facilitates quick and reliable measurements, ensuring compatibility and efficiency in various projects. Key Features: Comprehensive Measurement: The Screw Chek'R provides precise identification of screw sizes and thread pitches, streamlining the selection process for replacements or new applications. Durable Construction: Crafted from high-quality materials, this tool is built to withstand regular use in demanding workshop environments. User-Friendly Design: The Mfg: Brownells SPECS: Hardened steel, satin chrome plated. 3" (7.6cm) x 5" (12.7cm). With instructions. U.S. Thread Model - Checks #1 through 5/16" in NC, NS, and NF threads. 3" (7.6cm)- x 5" (12.7cm). Metric Thread Model - Gives diameter and length in inches and mm, pitch in mm, plus t