[COMPATIBLE MODEL] The alternative equipment for is ONLY event for 250W Blender (MB1001 Series), Does NOT fit for Mini or Baby . [EASY TO INSTALL] 1. Take a towel, with a towel wrap blade along with his left hand holding. keeping the connecting shaft, connecting shaft rotate clockwise to fall. When installing counter-clockwise to tighten. Colour:Black Material:plastic Package Contents: 2 x traditional package 2 x blade package four x sealing ring Only the above equipment content, varied merchandise shouldn't included. Note: Light and varied displays may cause the colour of the object in the photograph a bit of diversified from the genuine thing. The size allowed error is +/- 1-3cm.