PB Swiss Tools PB-8197V Stubby SwissGrip Tire Valve Tool A small, handy tool designed to remove and install Schrader valve cores. The skin-friendly Santoprene handle transfers high torque onto the screws effortlessly. The surface structure and the ergonomic grooves ensure a firm hold, even wet or oily. All PB Swiss Tools are 100% Swiss-made. Every PB Swiss Tools product comes with an unlimited lifetime guarantee.