An attachment system for a wearing point (3) on a plough share (11) is described, in which a holder (2) for a wearing point (3) is arranged to be fixed to the plough share (11), and in which one of the holder (2) and the wearing point (3) is formed with guide elements (211, 311) forming connection pin (21), and the other one of the holder (2) and the wearing point (3) is provided with guide elements (211, 311) forming a complementary connection socket (31), wherein the holder (2) is provided with first and second bolt-hole groups (22, 22&prime), the first bolt-hole group (22) being complementary to an attachment-hole group (111) of a left-hand plough share (11a), and the second bolt-hole group (22&prime) being complementary to an attachment-hole group (111&prime) of a right-hand plough share (11b).
