Integrated Thread Recognizer: Identify bolt size, length, and pitch effortlessly with internal and external thread grooves. Mechanics, carpenters, and maintenance pros benefit from precise measurements without trial and error. Lightweight & Portable Design: Credit card-sized for easy pocket, wallet, or tool kit storage. Ideal for on-the-go or workbench use, this pitch size measuring tool ensures convenience and accessibility wherever you are. Industrial Grade Stainless Steel: Crafted from durable industrial-grade stainless steel for long-term reliability. Resistant to rust, deformation, and daily wear, this double-sided bolt measurement card guarantees accuracy in demanding studio or outdoor settings. Clearly Readable Etch Marks: Deeply engraved lasers etched scale and dimension indicators offer lasting visibility. High-contrast markings enable quick and accurate fastener recognition even in dimly lit garages or work sites. Universal Compatibility: Versatile tool compatible with metric and imperial thread sizes worldwide. Perfect for assembly, repair, or prototyping tasks, providing consistent and precise results across various fastener standards. Item Name: Measuring Ruler Material: Stainless Steel Features: Lightweight, Portable, Universal Compatibility Purpose: Can be used for screw length/thread diameter/title distance/model, etc. Size Details: Size: 10cm x 5cm/3.94" x 1.97" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Measuring Ruler