1) 6MM Starter Extension Shaft x 1
This tool is special design to start the nitro engine. Normally,it is applied for the nitro power helicopter model (like TT Raptor series) or shaft starting type engine(Like TT "K" series engine) . When use this tool to start the engine, you have to use a special R/C electric starter device and battery. it's recommed to use the TT No. 2675 12V H.D 180 Starter. The 6mm ball size is fit with most of the nitro heli engine starting coupler.
1) Hex 6mm Ball size driver 2) High harden steel starting shaft 3) Anodize Aluminum driver holder