Heavy-duty, high quality, Chrome Molybdenum impact sockets suitable for use with any 1/2""Sq drive impact tool. Blackened finish for added corrosion resistance. Tool suitable for hub nut applications where high torque is required. Supplied in a storage case. Contents: 29, 30, 32, 34, 36mm. Lifetime guarantee*. Model No. SX050. Specifications: Type - Impact socket, Diameter - 30 to 36mm, Lifetime Warranty - Yes.