Forged Chrome Vanadium steel sockets with S2 steel hex bits. Sockets are heat treated and chrome plated with a fully polished micro satin finish. Colour coded rings for fast identification. Knurled rings assist the gripping of the sockets with oily fingers. Contents: T10, 15, 20, 25, 27, 30, 40, 45, 50. LIFETIME GUARANTEE FROM A REPUTABLE UK COMPANY – Founded in 1978, Sealey is a large family run business with a vast product range. Trusted by professionals, all Sealey products are thoroughly tested and backed by unrivalled aftersales service., Manufacturer: Sealey