The moore wright 200 series digital external micrometer has a tapered design that provides easier access to difficult areas and a hammertone finished frame with a high quality insulated grip it also has tungsten carbide measuring faces and a constant force ratchet on the thimble the large lcd display allows for 4 types of measurement mminch conversion and absinc and a zero setting the micrometers are manufactured to din 863 standards specification range 0 25mm0 1in resolution 0001mm00005in