• Spring calipers and dividers designed for reliable, quick and accurate measurements during layout procedures and jobs • Manufactured in Japan to strict standards to ensure accuracy and precision • Legs pivot on a roller and are tensioned via bow spring • Manufactured from stainless steel and feature a spring joint via a solid screw nut • Solid nut requires progressive twisting to wind in and out via the threaded tension bar • Made in Japan • Type: Solid nut • Length: 300mm • Jaw opening: 300mm