Core Widening Spacers for Automatic Tabletop Dispensers are a great accessory for a great dispenser. These spacers widen the core holder to accept extra wide rolls of labels. Core Widening Spacers for Tabletop Automatic Label Dispensers are great to have on hand, if you by chance happen to buy a wide roll of labels and need to adjust your dispenser. The widening spacers are made of durable plastic, are 3/8" in size and are sold in multiples of ten. Core Widening Spacers are just one of many food labeling products available at Hubert.com.