valve stem seal tool set
1.works on both valve still seated orremoved
2.precision machined seal driving adapters guide the seal for proper setting
3set contain
1- valve stem seal plier 
1-drive handle 6"long 
2-deep seal driving sockets for seals o.d.10.8-14.8mm
7-seal driving adapters fit seal 5,5.5,6,6.6,7,8,&3/8“