Cupped and bevelled precision ground points provide accurate positioning over the nail head for efficient depression. Manufactured from hardened and tempered steel, with a knurled body for extra grip. Conform to BS 3066. (Hardness: heads 42 HRC. Max: points 52 - 58 HRC). Overall length: 100mm (4”). Set - Supplied in plastic wallet. Contents: 1.6, 2.4, 3.2 and 4mm.