sold by the baker oil tool company of houston tex is used the baker model 34 e 4 34 setting assembly is threadedly connected to threaded bore 28 of setting sleeve 12 and threaded bore 40 of adapter 14 when the baker model 34 e 4 34 setting assembly is actuated the setting assembly causes relative motion between setting sleeve 12 and adapter 14 initially upon actuation of the baker model 34 e 4 34 setting assembly the setting assembly pulls upwardly on adapter 14 relative to setting sleeve 12 this relative motion causes shearing of shear pins 328 originally securing packer mandrel 138 to j slot case 320 upon shearing of shear pins 328 the upward movement by adapter 14 causes corresponding upward movement of j slot retrieving mandrel 16 bypass body 20 j slot mandrel 120 j slot case 320 and lower wedge member 202 as lower wedge member 202 moves relatively upwardly toward contact with upper wedge member 186 slips 226 acting as slip means are cammed or wedged outwardly by lower wedge member 202 and upper wedge member 186 into engagement with the casing in the well bore thus wedge members 186 and 202 provide wedge means for actuating the slip means this movement also causes.