About This 4-in-1 Measuring Functions for Professional Use:Accurately measures outside diameter, inside diameter, step, and depth with one versatile tool. Also ideal for scribing thanks to its carbide-tipped measuring faces that mark precisely on metal surfaces High Accuracy & Multi-Resolution Display:Provides 0.01mm / 0.0005" / 1/128" resolution and ±0.02mm/0.001" accuracy, delivering reliable, repeatable readings for machining, fabrication, and inspection work Carbide-Tipped Measuring Faces for Durability:Equipped with carbide-tipped measuring surfaces for exceptional wear resistance and clean scribing. Perfect for use on hard metals or abrasive materials without loss of precision Built to DIN 862 Standard with Hardened Surfaces:Manufactured strictly in accordance with DIN 862. The measuring surfaces are hardened, ground, and lapped for long service life, ultimate accuracy, and smooth motion throughout the range IP54 Coolant & Dust Resistant:Rated IP54 for protection against dust, coolant, and splashes — ideal for demanding workshop environments. Designed for machinists, engineers, and technicians who require dependable performance Overview Brand : PEC Tools Material : Stainless Steel Range : 12 Inches Measurement Accuracy : 0.02mm/0.001" Number of Items : 1