This 95mm automatic centre punch from Rennsteig has a shank diameter of 11mm and a pin diameter of 3.5mm. It has a rugged self-striking mechanism activated by downward pressure. The hardened pin is replaceable.

• Shank Diameter: 11mm
• Length: 95mm
• Material: steel
• Weight: 30g
• Blade diameter: 3.5mm
• Punching force: 20 - 50N
• Steel, nickel plated finish
• Precision design
  
• Replaceable hardened blades
• Inner punching mechanism triggered after pressing the device tip to the surface