This is the Conversion Set for Center Slipper Diff For the Team Durango DESC410R 1/10 Electric 4WD Short Course Truck (TDRC0130) FEATURES: Steel construction INCLUDES: Two large differential gears Four small differential gears Four steel washers Four hinge pins COMMENTS: This is an optional part for DESC410R 1/10 Electric 4WD Short Course Truck (TDRC0130) 5/11/12 pjw ir/jxs