Specifications : IS, DIN, ANSI & JIS, Spindle made from stainless steel for rust prevention, Measuring faces: carbide tipped, precision ground & micro lapped, An in-built ratchet in the thimble, Easy zero setting on sleeve. Sharp laser marking for better visibility & durability Heat insulating grip plates cover the entire handling portion of the micrometer frame, Robust design withstands toughest workshop conditions