Abstract: The current invention relates to a base member for attaching an upwardly extending post to a surface, comprising a bottom plate and a hollow connection profile, wherein the connection profile comprises at least a first pair of cuts, wherein a cut forms a pliable lip, wherein the pliable lip extends in a direction transverse to the bottom plate, wherein a first cut is comprised in a first side and a second cut in a second side of the connection profile, opposite said first side, wherein both cuts are at a same distance from the bottom plate, wherein both pliable lips formed by the cuts are oriented in a same direction, wherein said first pair comprises a bolt, and wherein said bolt is placed in a threaded hole in the pliable lip formed by the first cut. The invention also relates to a method and a use.

Abstract: The current invention relates to an impact absorbing post (1) for collision protection comprising a base member (3), a primary impact member (2), at least one inner impact member (9) and connecting members (8), wherein the base member (3) comprises a bottom plate (4) and a hollow connection profile (6), wherein the connection profile (6) is fixed to the bottom plate (4) and extends perpendicular to the bottom plate (4), wherein the primary impact member (2) and the at least one inner impact member (9) are hollow profiles extending perpendicular to the bottom plate (4), wherein the connection profile (6) is placed inside the primary impact member (2), wherein the at least one inner impact member (9) has a shorter length than the primary impact member (2), and wherein the at least one inner impact member (9) is placed at the bottom plate (4) inside the connection profile (6). The invention also relates to a method and a use.