Conduit measureing tape, 3/8" x 3,000' (9.5 mm x 914 m). Pull small cables or install pull rope for large cable pulling jobs. Made of Polyaramid (equivalent to Kevlar), will not rotor deteriorate. Can be left in ducts indefinitely for future use. Low stretch properties make measurements accurate. Printed measurements every foot from zero to 3000' (914 m).