It is color like metal, but it is plastic. When you slide the blade, it will come out and click it. The blades that are released are fixed tightly and will not return even if you apply force. It is more convenient than screw type.
Although it is an expensive class as a cutter, it is user-friendly for price. The weight is almost the same as that of plastic, but it feels lighter because the balance is good. The lock effect is also solid and slim, so familiar with hands well, easy to control power. The design that can deal well with various gripping methods is excellent. As soon as you get used to it, plastic objects make it hard to use.