High Hardness Alloy: Made of High Hardness Alloy Steel, Strong And Durable.Reliable Quality And Can Be Used Repeatedly for A Long Time. Package List: 3 Punch Set Includes 3 Center Punches With 1/16" (1.5mm), 5/64" (2mm) And 1/9" (3mm) Diameter Taper Points. Approximate Size Is 4'' (101mm)*0.315(8mm),Can Meet Your Usage Needs Characteristics: The Knurled Body Is Made of Forged And Heat-Treated Steel. Large Square Striking Surface And Precise Point for Ease of Use. Smooth Appearance: The Shaft Improves Grip, The Nail Heads Are Designed to Be Below The Surface of The Wood, Making The Surface Look Smoother. Widely Applications: Centre Punch Set Can Be Used In Glass, Steel Plate, Aluminum, Copper, Wood Plank, Metal And Other Surfaces. It Is Very Suitable for Furniture Installation, Positioning Before Drilling Holes for Machine Maintenance, or As A Glass Breaker., Manufacturer: REBECASKYENS5561