The Fowler 52-246-001-1 blade micrometer has the following specifications:
Blade Thickness: .030"
Blade Width: .256"
Blade Penetration: .315"
The Fowler 52-246 series of blade micrometers are used to measure
the outside diameter of work pieces which have narrow
grooves, "T" slots and other dimensions blocked by
shoulders or lands where standard type micrometers
cannot be applied. These blade micrometers are made of the best materials and have a great price point compared to other blade micrometers available on the market today. The non-rotating spindle on the 52-246-001-1 blade micrometer make for fast, accurate and repeatable readings.
Hammertone blue baked enamel frame
Microfine graduations on satin chrome finish for easy reading.
Anvil & spindle hardened & precision ground with microlap finish on ends.
Spindle thread is hardened, ground and lapped.
Wrench included for quick and easy zero adjustment on sleeve.