The Star plunger typically makes a ring donut with a more consistent, rounder hole than the plain plunger, with a star pattern around it. Must match a cylinder of the same size. Used with Type B and Type F depositors. Belshaw Adamatic by Unisource Star Plunger for Type B/F Depositors 1-3/4" [7SC-SSx1-3/4] is perfect for your establishment. Belshaw Adamatic Bakery Group has served the baking industry for over 90 years and is one of the leading bakery equipment companies in the USA. Belshaw and Adamatic combined in 2007 to provide equipment for retail and wholesale bakeries, QSR’s, Supermarkets, Concession operators, and many more.