... both valves still seated or removed 2.Precision machined seal driving adapters guide the seal for proper setting set contains 3 ... .1pc drive handle 6"/150mm long 5.2pc deep seal driving sockets for seals o.d. 10.8 - 14.8mm 6 ... .7pcs seal driving adapters fit seals 5,5.5,6,6.5,7 ...