U. S. Stamp & Sign T4751 U. S. Stamp & Sign trodat Economy Date Stamp, 3/8 x 1 5/8, Black trodat economy self-inking date stamp. Self-inking dater delivers rapid, repeat impressions. Replaceable stamp pad delivers up to 10,000 impressions. Plastic frame is perfect for moderate use. Trodat economy self-inking date stamp. Self-inking dater delivers rapid, repeat impressions. Replaceable stamp pad delivers up to 10,000 impressions. Plastic frame is perfect for moderate use. Trodat economy self-inking date stamp.