This is a set of two Traxxas XX-Long Hardened Steel Shock Shafts, and are intended for use with Traxxas Slash and T-Maxx trucks. These hardened, ground steel shafts have a super tough titanium nitride coating with a micro-polished finish that reduces stiction for smoother performance and resists scratching for much longer shaft life. The special hardened ground steel is extra strong to help prevent bending.
Amazing shock shafts, using stock ultra shocks on my slash with strc caps and only problem has been bending shafts when I do 10-20 foot jumps at the skate park and I haven't had one bend since. If you bash hard stop wasting $4 a pop on the weak shafts and get these!