All the blender parts are high quality food grade stainless steel blades, free high impact plastic. Compatible with 5 & 6 Cup Glass or Plastic Jars, Replacement part kit for blender. 4 & 6 point blade design to pulverize and chop with blending blade effortlessly crushes ice and works through ingredients with ease. We make no claims that these are aftermarket parts. colour: silver+black Material: plastic+stainless steel Package Contents: 4 x Crush 4 Blade 4 x Crush Pro 6 Blade 4 x Blender jar base 4 x square drive pin 16 x Rubber gasket seals Warm tips: You are recommended to replace your blade every 6 months or as needed for optimal performance Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.