Anytime Tools Tubular Inside Micrometer 2-12' Internal Precision Set

Professional Grade Precision Tool
Extension rod type Inside Micrometers have a wide measuring range—any one single micrometer can replace many bar type inside micrometers.
Features:

• Each set consists of an inside micrometer head and a series of fully hardened and lapped extension rods of different lengths.
• Anvil and spindle are hardened and precision ground with microlap finish on ends.
• Spindle thread hardened, ground & lapped.
• Microfine graduations on satin chrome.
• Positive locking nut on spindle. be calibrated by a micrometer or ring gage.
• Coiled spring pressure contact type rods are each marked with appropriate length.
• Quick, easy zero adjustment on the sleeve.
• Meets or exceeds Federal accuracy specs.
• Reference standard included with set.
• Includes a wrench and a fitted case.
• Range: 2" to 12"
• Graduation: 0.001"