1OE Number: The referencing OE number of this truck hub seal installer kit is 61850, which is molded and designed depend on the original data, and maintaining the original car model. 2Fitment: The truck hub seal drivers set is wide applicable for the most popular sizes seal for class 7 and class 8 over the road trucks and trailers and works on some medium duty trucks. 3Steel Construction: Designed with high strength steel materials, this kit is tough and long lasting, ensuring reliable performance for sealing installation on trucks and trailers. 4Effective Seal Protection: Prevents possible damage to seals during installation, with handle extensions for driving seals on hubs with deep brake drums without removal. 5Convenient Kit: Includes 5 drivers, 2 handle extensions, nuts, and washers, providing all necessary tools for securing seals and making installation easier. Item Type: TruckHubSealInstallerKit OE Number:61850 Material: Steel Size: Approx. 12.22cm / 4-13/16in, 15.56cm / 6-5/18in, 15.24cm / 6in, 15.08cm / 5-31/32in, 14.45cm / 5-11/16in Kit Includes: 5 drivers, 2 handle extensions, nuts, washers Application: Designed to secure seals, making installation easier on or off the vehicle, and helps prevent damage to expensive seals. Fitment: Fits for Class7Class8TrucksTrailers and MediumDutyTrucks 1 xTruckHubSealInstallerKit (9 Pcs) 1 x Storage Box