Which surface would i use a spring toggle on?? wall .. ceiling ? hollow wall hollow ceiling ? etc thanks for...

wall .. ceiling ?
hollow wall
hollow ceiling ? etc
thanks for ur oblige
Answers:    as above for plasterboard anywhere.
classed as a medium/heavy duty fixing so good for rads etc.
the ones i know dont sit within the board but go through and are held contained by place by the screw, remove screw - toggle falls - another toggle needed.
various screw diameters and length
Use a spring toggle on a hollow wall or hollow ceiling. The spring toggle must have room to depart up after it is inserted.