The Facom 249.G sheathed drift punches are tough and durable. With very high tensile strength, these punches feature a head hardened to 43 HRc and a long shank hardened to 58 HRc. The handles are ergonomically shaped for comfort and shock absorption. Ideal as an aid in aligning bolt or rivet holes prior to inserting a fastener.The FCM249G12 Sheathed Punch has the following specifications:Point diameter: 11.80mm.Length: 280mm.