Schrader part number #20141 is the Valve Core Torque Tool. The Valve Core Torque Tool is used to tighten valve cores to OE specifications. Helps guard against over or under-torquing. Meets Tire and Rim Association (TRA) recommended torque values of 3” to 5” lbs. on TRC1 valve cores. Serves as both a core remover and installer. Order individually.