Type: L4-M6*0.75, 4mm oil pipe, thread OD 6mm, tip distance 0.75mm;L4-M6*1,4mm oil pipe,thread outer diameter 6mm,tip distance 1mm;L6-M6*0.75,6mm oil pipe,thread outer diameter 6mm,tip distance 0.75mm;L6-M6*1,6mm oil pipe,thread outer diameter 6mm,tip distance 1mm.
