Chrome Vanadium steel socket set with carefully selected sizes. All sockets include WallDrive configuration giving an additional 30% more torque handling power than traditional sockets. Handles rounded fixings as well. Knurled ring for extra grip with oily fingers. Sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm.. 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.