Valve seal removal & install kit No : atval-11selbl Works on both valves still seated or removed. Precision machined seal driving adapter guide the seal Set proper setting. Set contains: 1-valve stem seal plier 1-drive handle 6"( 150mm ) long 2-deep seal driving socket for seals o.D. 10.8-14.8mm 7-seal driving adapter fit seals 5, 5.5, 6, 6.6, 7, 8 & 3/8"