uxcell Rubber Office 9-Digit Band Self Inking Numbering Machine Printer 2.8cm Height Gray Material : Metal, Rubber, Plastic;Design : 9-digit, 11-wheel; Total Size : 8.5 x 5 x 2.8cm/ 3.3"x 2" x 1.1"(L*W*H);Handle Size : 4 x 2.8cm/ 1.6"x 1.1"(L*D);Number Height : 4mm/0.16"; Their offerings include stamps, business stationery, custom signage, home, office and small business markets. Self linking design allows for quick, repetitive stamping. Portable size, easy to use and carry to places.