Product Description   DESCRIPTION Finkal Punches & Chisels are manufactured from hardened and tempered top grade carbon alloy steel. This increases strength and durability, and reduces brittleness and tool stress. • The striking end of all Centre Punches and Nail Punches has been tempered to prevent the head from shattering during striking. • Punches & Chisels are available individually and in sets. • All punches have knurled grips for easy and sure handling. Centre Punch • For piercing and marking, or for preparing drill spots in metal and other materials.Size: 8mm (5/16″) Material: Carbon Alloy Steel BAR CODE 9312753923965 TECHNICAL SPECIFICATIONS Size 8MM (5/16″) Material Carbon Alloy Steel Enquiry Tell A Friend