Releasable two-part fixing clip

A fixing clip comprising:

• a female member comprising a barrel having a flange at one end and an inner hole extending into said barrel from said flange;
• and
• a male member comprising a shank for insertion into said inner hole of said female member;
• wherein said inner hole of said female member is a blind hole that is rectangular in cross-section and open only at said flange, said blind hole having opposed inner wall surfaces provided with a pair of engaging projections;
• wherein said shank of said male member has a leading end having a width smaller than a distance between said engaging projections and a pair of protruding shoulders having a width substantially the same as the width smaller than the distance between said engaging projections and a length larger than the distance between said engaging projections such that said protruding shoulders can be engaged with said engaging projections;
• wherein said protruding shoulders have cut faces formed on lateral parts thereof and located on a diagonal line that is diagonal with respect to a cross-section through said leading end of said shank so as to allow rotation of said male member when said male member is to be removed from said female member;
• and
• wherein said engaging projections are disposed on said opposed inner wall surfaces so as to occupy mutually staggered positions with respect to the diagonal when said shank is in said blind inner hole and said protruding shoulders are engaged with said engaging projections.