Fangrui Product Details Compatible With: This 30oz Cup Is A Jar Compatible With Rx 1700w -301, N17-1001 Blenders. This Item Replaces Part Number Nbm-u0272 And -ve019. Simply Attach Your Blade To This Cup And Blend. This Cup Is Not Compatible With Any Other Models Or Size And Set: This Set Includes Two 30 Ounce Single Serving Handled Containers With Two Screwed On Lip Rings To Make Small Personal Blended Drinks And Smoothies And Easy Sippings From. Cup Opening Is 4 Inches And The Top Including The Threads Measures 4.65 Inches Versatile Usage: The Jar Is Compatible With Rx Models, Allowing You To Enjoy Your Favorite Smoothies, Shakes, And Soups Without Any Interruptions. Please Note That These Jars Are Compatible With The Rx Models Only Easy To Care: This Jar Is Top Rack Dishwasher Safe, Making It A Breeze To Clean, Maintain, And Reuse. Easy To Use: Simply Swap Out The Old Damaged Or Broken Jar And It With Cups, Ensuring A Smooth And Efficient Blending Process High-quality