1 each heavy duty extension springs - trampoline and other mechanical uses. All dimensions and data shown here is approximate as the original package is long gone.
5.5" long - inside of loop wire to inside of loop wire. 30 coils.
1" diameter outside
.78" diameter inside.
.11" diameter wire
plated to prevent corrosion.
coil is 3.5" long - tapered diameter - like a barrel - see pix.
If used for a boat/vehicle cover to add additional hold, loop end to cover grommet or bungie cord loop. Other uses - be CREATV.