They are called torque sticks, and they do work... They are all NTB uses now, and many other shops, too. -- Andrew L. Duane (JOT-7) duane at zk3.dec.com Compaq Computer Corporation (603)-884-1294 110 Spit Brook Road M/S ZKO3-3/U14 Nashua, NH 03062-2698 Only my cat shares my opinions, and she's too psychotic to express it