Abstract: The invention relates to a connection member (1) for connecting a wall-attachable body (2), having an elongated hole (3) for receiving the connection member, to a wall-mountable bracket (4) provided with an elongated projection member (5) during use projecting away from a mounting wall (6) along a projection member axis (P), the projection member therein being insertable into an insertion space (S) of the connection member through an insertion opening (7), the connection member comprising an elongated, tubular body (8) having a tubular wall (9) comprising the insertion space, having an intermediate zone provided with slits (13) extending parallel to the connection member axis, the slits dividing the tubular wall in the intermediate zone into multiple, elongated wall segments, the elongated wall segments (14) being made of a resilient material.