/usr/share/xfig/Libraries/Fasteners/ is in xfig-libs 1:3.2.6a-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/xfig/Libraries/Fasteners/Bolts/
/usr/share/xfig/Libraries/Fasteners/Bolts/Hexhead_Shld_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Hexhead_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Panhead_Phillips_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Panhead_Shld_Slotted_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Panhead_Shld_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Panhead_Slotted_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Panhead_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Roundhead_Shld_Slotted_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Roundhead_Shld_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Roundhead_Slotted_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Bolts/Roundhead_bolt.fig
/usr/share/xfig/Libraries/Fasteners/Machinescrews/
/usr/share/xfig/Libraries/Fasteners/Machinescrews/Hexhead_Shld_screw.fig
/usr/share/xfig/Libraries/Fasteners/Machinescrews/Hexhead_screw.fig
/usr/share/xfig/Libraries/Fasteners/Machinescrews/Panhead_Slotted_screw.fig
/usr/share/xfig/Libraries/Fasteners/Machinescrews/Panhead_Slotted_screw2.fig
/usr/share/xfig/Libraries/Fasteners/Machinescrews/Panhead_screw.fig
/usr/share/xfig/Libraries/Fasteners/README
/usr/share/xfig/Libraries/Fasteners/Springs/
/usr/share/xfig/Libraries/Fasteners/Springs/Spring.fig
/usr/share/xfig/Libraries/Fasteners/Springs/Spring_wi_hooks.fig
/usr/share/xfig/Libraries/Fasteners/Woodscrews/
/usr/share/xfig/Libraries/Fasteners/Woodscrews/Drywall_Slotted_screw.fig
/usr/share/xfig/Libraries/Fasteners/Woodscrews/Drywall_screw.fig
/usr/share/xfig/Libraries/Fasteners/Woodscrews/Eyelet_Shld_screw.fig
/usr/share/xfig/Libraries/Fasteners/Woodscrews/Hook_Shld_screw.fig
/usr/share/xfig/Libraries/Fasteners/Woodscrews/Wood_Phillips_screw.fig
/usr/share/xfig/Libraries/Fasteners/Woodscrews/Wood_Shld_screw.fig
/usr/share/xfig/Libraries/Fasteners/Woodscrews/Wood_Slotted_screw.fig
/usr/share/xfig/Libraries/Fasteners/Woodscrews/Wood_screw.fig