Fowler 52-243-220-1 Inside Micrometer Set, 2-20" Range .001" Graduation Shop Tools - Demo/Used self-centering three-point internal micrometers for

self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters

Friction or ratchet stop thimble for exact and repetitive readings

Jaw length: 1

Starrett no-glare satin chrome finish on thimble and sleeve minimizes annoying surface glare under bright lights and resists rust

Combination ratchet and speeder for uniform pressure and quick adjustment

Fowler 52-243-220-1 Inside Micrometer Set, 2-20" Range .001" Graduation Shop Tools - Demo/Used self-centering three-point internal micrometers forITEM DESCRIPTION Range: 2 20" Graduation: . 001" Accuracy: . 00005 x (3 + L 2) Each set consists of an inside micrometer head and a series of fully hardened and lapped extension rods of different lengths all with carbide measuring faces Anvil and spindle are hardened and precision ground with micro lap finish on ends Spindle thread hardened, ground & lapped Microfine graduations on satin chrome Positive locking nut on spindle It is recommended that