Features1Includes 7pcs interchangeable punch head sized 2/2.5/3/3.5/4/4.5/5mm to punch different specifications of round holes. 2Fluted design for easy discharge of leather waste. 3Heat treated and hardened for edges that keep sharpness. 4Non-slip knurling design allows you to grasp the punch tool steadily so you can punch holes more accurately. 5Gently punch a circle with the punch to make sure it is the hole you want.SpecificationFeatures:Includes 7pcs interchangeable punch head sized 2/2.5/3/3.5/4/4.5/5mm to punch different specifications of round holes.Fluted design for easy discharge of leather waste.Heat treated and hardened for edges that keep sharpness.Non-slip knurling design allows you to grasp the punch tool steadily so you can punch holes more accurately.Gently punch a circle with the punch to make sure it is the hole you want.Hit the butt of the hole punch with a standard hammer.It is best to use medium density wood or plastic as a backing.Specification:Material: Carbon SteelColor: BlackPunch Head Size: 2/2.5/3/3.5/4/4.5/5mm Package List:1 x Leather Hole Punch SetPackage List