Adjustable length captive panel fastener

An adjustable length panel fastener, comprising:

• a cylindrical sleeve member having an internal axial through-bore, wherein the sleeve member is formed with attachment structure at one end to secure the fastener to a panel;
• an adjustment member axially movable within the sleeve member from the end opposite the one end, the adjustment member having an internal axial through-bore which is stepped so as to provide first and second spaced ledges;
• a headed screw adapted to extend through the internal through-bores of said sleeve member and said adjustment member so as to be rotatable and axially movable therein, and wherein the head of said screw is dimensioned so as not to pass said first ledge;
• and
• a coil spring adapted to surround said screw within the through-bore of said adjustment member, with a first end of said spring abutting the head of said screw and the second end of said spring abutting said second ledge.