4PCS STEERING RACK KNUCKLE TOOL Removal and replacement of inner steering ball joint. Drive Range:30 to 35mm,35mm to 40mm,40mmto 45mm. Meas:49x18x31 G.W/N.W:12/11KG This toolset allows quick and easy removal and replacement of the inner steering ball joint without the need to dismantle the steering rack from the bulkhead. Automatic clamping of the joint heads. 3 Exchangeable drive head with ranges: 30-35mm, 35-40mm, 40-45mm Can be operated with a 1/2" drive ratchet or 27mm Socket 400mm Long Hollow Body Allows For Track Rod.