Pre-inked inspection stamp is pre-inked with your choice of 10 colors and creates a 1/4" diameter impression. Impression is round with straight text. Stamp dispenses 50000 impressions before it needs re-inking. Ergonomic ABS plastic handle is designed for durability. The laser-engraved rubber makes this stamp strong and durable for years of use. Color choices include red black blue green purple orange light blue light green pink and yellow. Use Xstamper Refill Ink only. Use of any other ink will void the warranty.