[Use] ● Slice ceramic cutter Safe and secure structure cutter. ●The cutting edge has a round structure to help reduce the occurrence of injuries. The blade is made of ceramic, so it does not rust even when wet, and is about 11.2 times more durable than metal blades (Slice's published value), so it will last a long time. ●The cutting edge is replaceable, and replacement is available with model numbers 10523 (serrated edge), 10524 (round edge), and 10525 (acute angle edge). ●Since it has a double edge structure, one blade can be used twice even when it is time to replace the edge. ● 10491 is a cutter with a metal handle finish for increased durability and strength. ●When you push the green button CHUO of the main body forward, the cutting edge will come out from the main body. ●When you release your finger from the button, the cutting edge automatically retracts into the body. ●When not in use, the cutting edge is always stored in the body. ● At the time of shipment, a round type (10524) blade is built into the body.