Special Features:

Modification permits 1/8 inch tactual reading at any point on the tape by the use of a 6 inch tactually marked extension permanently attached to the case; each foot-mark is brailled; each 6 inch has a single raised dot on the lower edge that lines up with the end of the extension; push-button controlled blade return; positive blade locking; removable belt grip; 6.09 m (20 feet)

Properties:

A narrow strip of flexible material graduated with markings to indicate a specific type of measure such as arithmetic, geometric, metric, or the like. All tapes are used principally in measuring distances and dimensions too long to be measured by a ruler, are usually enclosed into a case with accommodations for rewinding and may or may not have a ring at one end. Includes dressmaker tapes to heavy-duty types sometimes called surveyor's chains, usually mounted in reels with holding handles.