Kawasaki 650 Brute Force Prairie Front Differential Pinion Socket 38050168Kawasaki Brute Force Heavy Duty Front Differential Pinion Socket, Kawasaki part number 38050168. Heavy duty pinion gear bearing lock nut removal tool. Use a 1 2 drive or 28 mm socket on a heavy duty breaker bar to remove the lock nut. Install nut only with a proper torque wrench. Steel heat treated, hardened steel with a black oxide coated for corrosion resistance. Milled form solid billet steel. No welded parts to cut corners.