You can select various Actions depending on model: 0 - continuous repeat (stays on the same number), 1 - consecutive sequential (increases by 1 each time you stamp), 2, 3, 4etc - repeats each number X times (2, 3, 4etc) before moving to next number Replacement pad: BB These self-inking automatic numbering stamps have all metal construction for durability. For re-inking, use only oil-based metal stamp ink (e.g. Noris #210) to prevent rusting of the wheels and for smooth operation 12 Month Guarantee.