The Bartec USA RITE-SENSOR TPMS Assortment Kits contain the most popular items needed when servicing TPMS sensors. There are two varieties of kits, one for OE valve service and one for valve stem replacements. The RITE-SENSOR TPMS Service Repair Assortment Kit, No. WRTSVCKIT-020, includes the most popular service kits for clamp-in TPMS valve stems to service many OE TPMS sensors. It contains 15 service kit part numbers and 108 total individual kits, plus 100 valve cores and 100 black valve caps. The RITE-SENSOR TPMS Valve Stem Assortment Kit, No. WRTSVCKIT-040, includes the most popular snap-in and clamp-in TPMS valve stems to service OE TPMS sensors. It contains 14 valve stem part numbers and 60 total individual kits, plus 100 nickel plated valve cores and 100 black nylon valve caps.