Description:-The new CNC aluminum washout base offers many improved features to minimize all slop in main shaft area.   The washout base is produced at extreme tolerance of +/- 0.001mm to ensure super fit and zero slop in the main shaft.  The washout base is compatible with Blade 400 stock or aluminum upgrade washout levers. Includes:-1 CNC Washout base -1 CNC Brass Sleeve Requires:-Loctite (#242 is recommended)-Assembly Weight:3.1 grams Usage:-Blade 400 helicopters Instruction:-N/A Features: Using brass insert into washout base to maintain precision and longer life time Self lubrication by new advanced inside brass wall slots to maintain super smooth when moving along the main shaft. NEW!