Knife BoxesThese evidence boxes were designed for strength and security. Pre scored holes line the bottom of the box so you can quickly tie evidence down with nylon tie downs. Designed for packaging evidence, such as knives, that must be secured before transport. Securing the weapon in a box at the crime scene can help to preserve fingerprints on the item. Each box measures 31. 8 cm x 8. 9 cm x 5 cm (12. 5 x 3. 5 x 2)