12" 5R Rigid Steel RuleHardened and tempered steel Rust and wear resistant for durability Micro fine graduations for easy reading *Image shown for representational purposes only

5" and 6" are included

tubing and other cylindrical workpieces to measure wall thickness

ground and lapped

• Sizes over 1" include standards

Inspection playback

• Packed in individual carton

• Wrenchfurnished with each micrometer for fast

• Base is hardened steel

Graduation: 4R (8ths

providing enough power to gain precise

• Narrow designed blades permit use for internal and external screw threads

52-253 series of outside micrometers features exceptional quality and accuracy