Navis Bollardssingle bollard frenum, bollard bits, T-type bollard, S-type bollard, J genus bollard, R-type bollard, genus bollard, Kidney genus bollard, genus bollard staghorn, J-type bollard, bollards cruciformes singularis, bollards cruciformes geminus; DIN82607 bollards duplices, JIS F2001 bollards duplices, N.S2584 bollardes duplices, BSMA-XII bollards duplices, VIS 1 bollardes duplices et sic porro.