1966M-50-Traditional-External-Micrometer-25-50mm-0-01mm-Moore-Wright-1966M50-p-The-Moore-amp-Wright-966-Series-Traditional-External-Micrometer-has-a-blue-textured-frame-finish-with-tungsten-carbide-measuring-faces-The-speeder-type-ratchet-locking-lever-&-adjusting-key-make-this-micrometer-easy-to-use-It-has-a-6-5mm-spindle-diameter-p-p-The-micrometers-are-manufactured-to-BS870-DIN-863-1-ISO-361-standards-p-p-Supplied-in-a-case-p-p-The-1966M-50-Traditional-External-M