• Multi-purpose. • Finish: Sheradised. • Suitable for use with both soft and hard woods. • Ideal when permanent strength and holding power are of primary importance. • Rings on shank are sloped in a conical shape to ensure clean insertion but design ensures difficulty in release. • Sheradised for increased durability. • Used for many construction applications. • Often used to fix hardboard sheeting to floorboards, offering a strong secure fixing.