This bar system not only offers you a choice of two types of matrices: Snap and Friction-Snap, but it also provides each in three different grip levels. Although the bar is the same for either, they are not interchangeable with each other. However, they can be used in combination with each other to achieve the perfect friction level required.

 
VSP-FS Friction Snap/VSP-GS Snap
 3 levels of retention
 2 styles of matrices (Friction Snap FS and Grip Snap GS)
 Can be used in any application where a bar is required