Product Description: Commercial Quality Great for Restaurant or Home Blender Replaces VitaMix Drive Socket, 1-3/4" OD, 1/4" SQ hole in bottom, 12 pin spline on top, come with allen wrench replace 802 Vitamix Blender. Model #: 891 One driver included. Our Blender socket should work on the following models: 1002, 1230, 1243, 5000, 5006, 5012, 5039, 5057, 5062, 5200 BarBoss Models Including: BarBoss 5039, BarBoss MP, BarBoss Advance VITA-MIX VM0100, VM0100A Total Nutrition Centers Vita-Prep, Vita-Prep 3, Vita-Pro Variable Speed Drink Machine Portion Blending Models Including Portion Blending Advance, Portion Blending System Drink Machine Models Including: 2-Speed Drink Machine, 2-Step Drink Machine, Drink Machine 20 sec, Drink Machine 45 sec, Drink Machine Advance, Drink Machine MP In-Counter and On-Counter Models Including: In-Counter Blending Advanced, In-Counter Blending MP, In-Counter T G 2, In-Counter Touch Go, Quiet One 100V In-Counter, On-Counter Blending Advanced, On-Counter Blending MP, On-Counter T G 2, On-Counter Touch Go Refund or Exchange: All return require Carry Supply pre-authorization, must be made within 30 days of receive, in original condition with packaging (New and Unused), and subject to 20% restocking charge. Exchange or refund. We shall not be liable for any merchandise defects, spoilage of products, loss of sales, or consequential damages.