Application: For rear axle cars and light-duty trucks To remove semi-floating rear axle bearings Use with slide hammer (not included) with threads (5/8" - 18TPI) Fit main bearing tube ID: 1" to 1-7/8", 1-5/16" to 2-3/8", 1-3/8" to 2-7/8" Package Include: 3x Pullers 1x Carry case Note: Instruction Included. (If not, we could offer you the E-book version. ) Please feel free to contact us for whatever we can help.