An inflation work station for inflating a tire-wheel assembly including a tire mounted to a wheel, comprising: a working device having an end effecter, wherein the end effecter includes a wheel-engaging plunger member, and an inflation apparatus connected to the wheel-engaging plunger member, wherein the inflation apparatus includes at least one inflation probe (614a, 614b, 614a', 614b') extending from an inflation apparatus base member; wherein the at least one inflation probe (614a, 614b, 614a', 614b') includes: a distal end portion formed from more than one material including a first material and a second material, wherein the second material includes a hardness characteristic that is different than that of first material, wherein the hardness characteristic of the second material is less than that of the first material to provide: means for increasing the sealability of the distal end portion when the distal end portion is located adjacent a portion of a bead seat (W BS) of the wheel; wherein the distal end portion includes one or more fluid outlet openings (668a-668e) formed by an upper lip and a lower lip, wherein the second material forms at least a portion of each of the upper lip and the lower lip, wherein at least a portion of one or more of the upper lip and the lower lip are arranged adjacent the portion of the bead seat (W BS) of the wheel. a working device having an end effecter, wherein the end effecter includes a wheel-engaging plunger member, and an inflation apparatus connected to the wheel-engaging plunger member, wherein the inflation apparatus includes at least one inflation probe (614a, 614b, 614a', 614b') extending from an inflation apparatus base member; wherein the at least one inflation probe (614a, 614b, 614a', 614b') includes: a distal end portion formed from more than one material including a first material and a second material, wherein the second material includes a hardness characteristic that is different than that of first material, wherein the hardness characteristic of the second material is less than that of the first material to provide: means for increasing the sealability of the distal end portion when the distal end portion is located adjacent a portion of a bead seat (W BS) of the wheel; wherein the distal end portion includes one or more fluid outlet openings (668a-668e) formed by an upper lip and a lower lip, wherein the second material forms at least a portion of each of the upper lip and the lower lip, wherein at least a portion of one or more of the upper lip and the lower lip are arranged adjacent the portion of the bead seat (W BS) of the wheel. a wheel-engaging plunger member, and an inflation apparatus connected to the wheel-engaging plunger member, wherein the inflation apparatus includes at least one inflation probe (614a, 614b, 614a', 614b') extending from an inflation apparatus base member; wherein the at least one inflation probe (614a, 614b, 614a', 614b') includes: a distal end portion formed from more than one material including a first material and a second material, wherein the second material includes a hardness characteristic that is different than that of first material, wherein the hardness characteristic of the second material is less than that of the first material to provide: means for increasing the sealability of the distal end portion when the distal end portion is located adjacent a portion of a bead seat (W BS) of the wheel; wherein the distal end portion includes one or more fluid outlet openings (668a-668e) formed by an upper lip and a lower lip, wherein the second material forms at least a portion of each of the upper lip and the lower lip, wherein at least a portion of one or more of the upper lip and the lower lip are arranged adjacent the portion of the bead seat (W BS) of the wheel. a distal end portion formed from more than one material including a first material and a second material, wherein the second material includes a hardness characteristic that is different than that of first material, wherein the hardness characteristic of the second material is less than that of the first material to provide: means for increasing the sealability of the distal end portion when the distal end portion is located adjacent a portion of a bead seat (W BS) of the wheel; means for increasing the sealability of the distal end portion when the distal end portion is located adjacent a portion of a bead seat (W BS) of the wheel; wherein the distal end portion includes one or more fluid outlet openings (668a-668e) formed by an upper lip and a lower lip, wherein the second material forms at least a portion of each of the upper lip and the lower lip, wherein at least a portion of one or more of the upper lip and the lower lip are arranged adjacent the portion of the bead seat (W BS) of the wheel.