Features:Ideal for removing and installing oxygen sensors and vacuum switches on vehicles with computer-controlled engines.3 Different types of sockets cover various situations of oxygen sensor locations.Universal 6-point 7/8 inch (22mm) socket opening fits all hexagon oxygen sensor, common 3/8 inch and 1/2 inch drive ends can be use with ratchet or breaker bar.Special side cutout design allows easy access to oxygen sensor from any section and prevents damage to wires.Specifications:Materials:Carbon SteelItem Size: 8*3*3cmCase Size: 12.5*10.5*5.3cmColor: MulticolorPackage Includes:1 x 3/8 Dr. Extra Deep Broach Socket 1 x 3/8 Dr. Low-Profile Crowfoot Socket Wrench1 x 1/2 Dr. Offset Crowfoot Socket Wrench 1 x M18 Thread Chasers1 x M12 Thread Chasers 1 x Carry Case Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.