Qbace 17PCS Master Front Wheel Drive Bearing Service Kit Comprehensive set for the removal and installation of front hub bearings without the need to dismantle the steering assembly. May be used with an Impact Wrench. Heavy Duty Steel Drifts. Hub Screws - M12 x 1.5 and M14 x 1.5mm. Drift sizes - 55.5. 59. 62. 65. 66. 71.5. 73. 78. 84. 86. 91mm.