LPTTLK 널링 헤드 LPTTLK-*-*SP총 두께 P0,5 - 1,01,0 - 1,51,5 - 2,0LPTTLK-5-0510SPLPTTLK-5-1015SP LPTTLK-6-0510SPLPTTLK-6-1015SPLPTTLK-6-1520SPLPTTLK-7-0510SPLPTTLK-7-1015SPLPTTLK-7-1520SPLPTTLK-8-0510SPLPTTLK-8-1015SPLPTTLK-8-1520SPLPTTLK-9-0510SPLPTTLK-9-1015SPLPTTLK-9-1520SPLPTTLK-10-0510SPLPTTLK-10-1015SPLPTTLK-10-1520SP
