LABEAR Elite Nut and Bolt Size Identifier Keychain, Pro-Grade SAE & Metric Thread Gauge (8-25mm, 5/16″-1″) Heavy-Duty Steel Fastener Checker & Wrench Size Finder, Permanent Stamped Markings

Pro-Grade Identification – Stop the guesswork! Instantly identify any nut or bolt head with professional accuracy. Covers full ranges: Metric (8-25mm) and SAE (5/16″-1″) for ultimate versatility.
Permanent Stamped Markings – Featuring deep-stamped size markings that will never rub off, fade, or peel. Engineered for lifelong readability even in the greasiest and toughest garage environments.
Instant Wrench Size Finder – The ultimate time-saver for mechanics. Quickly determine exactly which wrench or socket size you need, eliminating the frustration of back-and-forth trips to your toolbox.
Heavy-Duty Alloy Steel Build – Forged from premium high-strength alloy steel with a corrosion-resistant finish. This rugged EDC tool is built to withstand daily heavy use in professional workshops.
Elite EDC Portability – Compact, lightweight, and mission-ready. The heavy-duty keychain clip attaches securely to your belt or tool bag, keeping elite-level measuring power always at your fingertips.