Embedding cassettes for biopsies with small holes (1x1 mm) suitable to contain very small specimens, in acetal resin (POM). Lid provided with triple closure system, removable. Writing surface. They resist to decalcifying solutions, to solvents and ultrasounds techniques. Compatible with most of automatic printers (Vogel, Olympus, Leica and similar). Dimensions 40 x 28 x 6 mm. Printing front side at 45°.