Note: both ends with roller to guarantee the crescent wife won't run slant on corrugated. cutting high voltage cable .
Outer corrugated diameter two types:
NO.154 1 7/8 TO 4 1/2 OD 48-116mm
NO.156 4 TO 6 5/8 OD 100-168mm
NATIONAL ELECTRIC POWER SYSTEM PROFESSIONAL OPERATION NETWORK MEMBER UNIT