【Perfect Compatibility】 The 31510 shaft nut sleeve tool perfectly fits for GM 2020 and newer Silverado and Sierra 2500/3500 trucks with 11.5" and 12" dual rear wheel axle hubs. 【Simple Operation】 Simply align the 31510 socket's pins with the notches on the hub nuts, securely attach the socket to a 1/2” drive ratchet or wrench and then apply the necessary torque to loosen or tighten the hub nut.