Each opening: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm. The product size is length 21.5 x width 8.5 x height 2cm. Material: the punch pliers is made of plated steel, with circular knife-shaped cutting edges, strong and wear-resistant, can achieve stronger punching, with high strength and hardness, good toughness, durability, not easy to deform, etc. Your good helper to get the job done. Design: The handle has an ergonomic design that provides a non-slip and comfortable grip, easy and quick to use, just unlock the handle, turn the knob to scroll to select the size of the hole, align the leather body and squeeze the handle, you can adjust the belt to your liking Perfectly adapts to your body. Application: suitable for making round holes in leather, plastic, rubber, canvas, cardboard, rubber, polyurethane, cloth, silk and other soft materials, perfect for home hobby or commercial use, this hand tool automatically opens, rotates, sturdy and easy to use. , suitable for both men and women. Size: the total length is about 21cm, the distance between the two feet of the punch pliers is about 9cm, it is sturdy and durable, and it is a good helper to finish the job.