- SEALEY PREMIER � One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. - CHROME VANADIUM STEEL SOCKET � Hardened and tempered for durability and strength. - CHROME PLATED � With a smooth satin finish for resistance to corrosion. - KNURLED RING � To assist with grip and secure handling. - SAVES TIME � Can loosen drive shaft screws from the outside and is suitable for VAG Vehicles. - PHOSPHATE COATING ON BIT EXTENSION � S2 Steel bit extension with phosphate coating for protection against rust. - EXTRA-LONG � 800mm for increased access in space limited applications. - LIFETIME GUARANTEE*.