KESON fiberglass tapes are designed to withstand more wear and tear than any other type of fiberglass measuring tape. They contain more than 42,000 fiberglass strands for greater tensile strength and superior accuracy when tension is applied. Temperature correction is not necessary. These tapes have proven dielectric strength of 200,000 V/m to assure your safety from electrical hazards. Tough, metal case will protect you tape for years and with the strap on the back its easy to grasp. The crank handle is metal to provide years of rugged use. Double-throat rollers guide the blade return and prevent the tape from twisting.
From the Manufacturer
Designed to withstand more wear and tear than any other kind of measuring tape. Given the roughest treatment possible... trampled underfoot, beset by mud, dust or rock abrasion, Keson fiberglass tapes take on abuse with little or no deterioration to their tough PVC coating. Printed on one side in feet, inches, and 1/8ths. Closed case. Length: 50 feet.