"3, 4, 7, 8 and 12 way use size 16 contacts 6, 10 and 19 way use size 20 contacts Backshells accept: Size 10, 1.5-8.0mm Size 12, 3-12.0mm Size 14, 5-14.0mm. UTS Cable Plug with Backshell. Each plug has two seals to cover specified cable range Standard seal is preassembled Second seal is supplied as loose piece together with a plug