The Ateco #870 Ten Piece French Star Tip Set contains #'s 0-9 Stainless Steel piping tips. These tips correspond to the single item numbers of 860, 861, 862, 863, 864, 865, 866, 867, 868 & 869. These tips makes more grooves but they are shallower than the Standard Star and are made for making cake borders, stars, rosettes & creating designs in Icing. These tips are designed for the cake decorator to be able to create beautiful cakes & pastries. A protective plastic case holds your tips in one place to keep them all together. The piping tubes can be used without a coupler but they also fit the Ateco medium coupler set. Piping tips may be washed in a dishwasher but are best cleaned by soaking them in hot soapy water and using a Tip Brush to thoroughly clean the interior, rinse & air dry.