Wellbore Tool Joint Rulers/Brochures

Durable stainless-steel gauge designed to identify drill stem connections when markings are worn or unreadable. Measures 3½, 4, and 5 threads per inch (60°) and taper diameter for quick, accurate field use.

Made in the USA from spring-tempered stainless steel with etched, color-filled markings for easy readability. Includes a folded, full-color printed cover with die-cut slits to hold the guide securely.