Drive socket kit compatibility: this drive socket kit with hexagonal wrench is compatible with Vitamix Blending Station, Drink Machine Two-Step, Drink Machine Two-Speed, and BarBoss Advance blenders, replace for 891 and 802 Blender wrench compatibility: this blender wrench is compatible with Vitamix in all kinds of models, you can take this removing tool wrench to loosen and remove old blade assembly and install blade assembly Durable and nice craftsmanship: made of plastic, this blender repair replacement kit is durable, nice toughness, not easy to deform, convenient to clean, the craftsmanship is nice, serving as practical replacement for your blender How to use: first, remove the rubber pad, and then take out the old socket kit, finally, install the one by wrench to finish the installing, please check the condition of your drive socket every 3 to 4 months colour:black material:plastic Package Contents: 1 * mushroom head 1 * Hex wrench 1 * Disassembly wrench Only the above package content, other products are not included. Note: Light 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.