P.I. 28-200mm Diameter Tape hand-tools-drivers • Valve seat materials

• Valve seat materials

Sample image

the strap fits snugly into a hole of the level for safe keeping

Alloy Steels

Outside micrometer

P.I. 28-200mm Diameter Tape hand-tools-drivers • Valve seat materialsThe P. I. diameter tape, or periphery tape as it is sometimes called, is used for measuring external or internal diameters large of small with accuracy; eliminating numerous micrometer or caliper readings and then finding the average of these by adding and dividing. Only one reading is necessary for both round and out of round diameters. The large vernier reading is easily read to . 001" or . 01mm and each tape is checked on masters with certified