1/2" Drive Impact Socket 22 PC Set Shallow & Deep Metric 11mm to 24mm Made From Chrome-Moly Trade Quality Steel With High Tensile Strength To Ensure That You Can Tackle Even The Toughest Nuts And Bolts With Strength And Confidence 10 PC Deep Impact (mm): 11, 12, 13, 14, 16, 17, 19, 21, 22 & 24mm 10 PC Shallow Impact (mm): 11, 12, 13, 14, 16, 17, 19, 21, 22 & 24mm Extension Bar: 1/2" x 5 Lifetime Warranty Qty: 22 Pcs/ Set Light Item