Glue-on flat back stones Preciosa MC glue-on round stone 662 are very popular glue-on Preciosa stones which we offer in three sizes and which are an alternative to the SWAROVSKI 4869 Disco ball stones. You will find the procedure for the use of Glueing Stones in our manual. Machine cutting and polishing ensure precise cut and impeccable sparkle of each stone. All glue-on flat back stones can be attached using single- or multi-part glues to various types of surfaces. Preciosa MC glue-on round stones 662 can be best used for making earrings by gluing them to earring posts with flat heads.