Blackened oxide finish to resist corrosion. Bearing assisted force nut for ease and longevity of tool. Tool allows the bush to be fitted quickly and easily without causing damage while axle still on vehicle. For use on Audi A3; VW Golf IV; Bora 1.4/1.6/1.8/2.0 and 1.9D(2001~2003).Step 1: Securely support the vehicle with jack stands or frame lift, then remove the rear wheels per factory manual. Step 2: Remove both front mounting bolts from the rear axle mounting bracket. Step 3: Pull the front end of the trailing arm down the mounting bracket and wedge into position, using a solid object between the arm end and the underside of the vehicle. Step 4: Mark the exact position in the arm of the rubber mounting. Step 5: Remove the old mounting bush from the trailing arm. Step 6: Lubricate the screw threads of the tool. Step 7:  Align the Y mark on the new bush with the mark on the axle trailing arm. Step 8: Assemble the bush suspension tool and insert the new bonded mounting into position, adapter is lipped and designed to sit flush against the trailing arm. Step 9: With a 24mm socket on ratchet slowly turn the thrust bearing to pull the new mounting into the rear axle. Step 10: Re-assemble and Repeat steps 3-9 for the other side.