Bollard laut kalebu NS dobel bollard, BSMA12 double bollards, VIS1 double bollards, DIN82607 double bollards, JIS F2001 double bollards, single bollards, single cruciform bollard, double cruciform bollards, las miring bollard, ginjal tipe bollard, staghead bollard, bollard, CVI-Bollard lan liya-liyane.