Posted by Dave on January 30, 2001 at 10:47:23:
In Reply to: Towel rack posted by Fred on January 30, 2001 at 09:07:09:
You should use a hollow wall anchor. Make two level marks equidistant on the door. Drill pilot hole (probably 5/16") for wall anchor and screw them in. You can use the wing or compression type anchor.
There is an article on Insidespaces about this here.
See this
for details on what to buy. (Model HW18XS)