uxcell 3/8" Drive Chrome Vanadium Steel Metric 6 Point Spark Socket 16mm Main Material: Chrome-vanadium Steel; Package Content: 1 x Spark Plug Socket Product Name: Spark Plug Socket; Weight: 88g Main Color: Silver Tone; Overall Size: 62 x 22mm/2.4" x 0.87"(L*D) Socket Type: 6 Point Hex Socket; Hex Socket Size: 16mm/ 0.63" Square Socket Size: 9.5mm / 3/8"