ROD, 2-3" FOR #124 INSIDE MICROMETER diameters of cylinders and rings, and measuring parallel surfaces. Features: Measuring rods are provided with a shoulder that is set accurately in the micrometer head and locked in position Each rod has individual length adjustment for the anvil by means of special wrenches furnished Measuring rods are solid and assembled on one side of the micrometer head Insulated rods marked with length Hardened and ground anviles on rods, adjustable for length Head anvil is hardened and ground Quick-reading figures every thousandth numbered on inch reading tools A 6-1/2" (165mm) long convenient handle is available to provide reach for use in deep holes