sleeve 16 the purpose of the collet 38 being in groove 40 is to allow a predetermined force to build up through ports 22 before there is sleeve 16 movement additionally during run in if the sleeve 16 is bumped on a surrounding tubular or connection in the wellbore then the collet 38 in groove 40 will resist sliding movement and pre setting of tool 20 due to the engagement of collets 38 in groove 40 fig2 shows a running and actuation tool that is associated with the mandrel 12 and the string that is not shown and attached to the lower end 46 the running and actuation tool has several features that are schematically illustrated there is a gripping device shown schematically as 48 that grabs the mandrel 12 and selectively releases when the mandrel 12 becomes independently supported to the surrounding tubular 50 or some other way supported in the wellbore at the same time the gripping device 48 allows for run in and release of the mandrel 12 when there is support such as by actuation of a tool 20 that in the preferred embodiment is a liner hanger when running in spaced seals 52 and 54 can be located in a straddle about openings 22 and 24 or both ports 22 and 24 can be open to the passage 14 seals 52 and 54 are an isolation assembly and can be a.