Hop up CV kit made from #45 steel for the 1:10 scale eke 2WD trucks or short course electric. Features: conk #45 steel finished with a black oxide Rust preventive coating with steel out drives and hex's completely rebuild-able near zero backlash Machined steel (hardened for strength) provides positive acceleration with no binding you will receive: two CV bones two CV keyed axles two 12 millimeter hex hubs two out drive cups comments: this will not work with the eke 'boost Buggy'.