This C.H. Hanson 9 piece number set of steel stamps contains the numbers 0-8. The number 6 inverts to be used as a 9. Ideal for marking with hammer strikes. The crowned striking surface ensures that full force is delivered throught the centre of the stamp & the textured shank provides a firm, easy grip. The shanks are tempered for extra safety. The stamps are standard grade, making them suitable for wood, leather, aluminium, brass, sheet metal & cold rool steel. Ideal for general use at a lower cost. Supplied in a durable plastic storage container. The CHH20685 steel stamps have a character height on 6mm (1/4 inch).