METRIC AND USA O-RING SIZING TAPE MEASURE

To measure USA AS568 standard size O-Rings, coil the tape with the arrows edge depicted below on the outside.
Uncoil inside the o-ring until snug lining up the cross section gauge to determine the appropriate sizing column.
Read the USA AS568 standard o-ring size where the arrow overlap.
Do the reverse to measure the inside diameter in millimeters on the other side of the tape.
Current version color is blue. Not for use with small o-rings less than 2.5"ID that are best measured with a caliper.
Compatible to Measure USA AS568 Standard O-Ring Sizes |
-037 through -050 O-Rings -144 through -178 O-Rings -230 through -284 O-Rings -333 through -395 O-Rings -409 through -475 O-Rings |