PROFORM heavy-duty micrometer sets for all the popular applications and finally affordable for the weekend racer. PROFORM micrometers feature quick-lock levers, ratchet stops, carbide measuring tips, calibration accessories, adjuster wrenches, and each PROFORM micrometer comes in a handy and durable carrying case. Product Features:Measures 0 to 4-in. Range in .0001 IncrementsMade from High-Quality Steel with a Natural FinishMicrometer Tip Material Is Caron SteelPlastic Carrying Case Included1-inch Stud Length