"CTA Tools 2064 Thin Wall Oxygen Sensor Socket removes and installs 22mm Oxygen Sensors that cannot be accessed with standard sockets. 1/2-Inch square drive and 1-Inch external hex drive. OAL: 3.5-Inch / 90mm. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.Features Removes and installs 22mm Oxygen Sensors that cannot be accessed with standard sockets Item Package Dimension: 5.59999999428799" L x 1.39999999857199" W x 0.99999999898" H Country Of Origin: China Model Number: 2064 Specifications Manufacturer : CTA Tools Part Number : 2064 Item Weight : 0.35 Pounds Product Dimensions : 6.1 x 1.85 x 1.25 inches Item model number : 2064 Is Discontinued By Manufacturer : No Power Source : Hand Powered Item Package Quantity : 1 Compatible Fastener Range : 0.5 inches Included Components : Thin Wall Oxygen Sensor Socket Batteries Included? : No Batteries Required? : No ASIN : B005OH0ITM Customer Reviews : 4.4 out of 5 stars 113 ratings 4.4 out of 5 stars Best Sellers Rank : #116,685 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #590 in Multitools Domestic Shipping : Item can be shipped within U.S. International Shipping : This item can be shipped to select countries outside of the U.S. Learn More Date First Available : October 5, 2011 Brand : CTA Tools Item Dimensions LxWxH : 6.1 x 1.85 x 1.25 inches