Flexihead O2 Sensor Wrench Manufacturer: OTC TOOLS Availability: 10000 in stock SKU: OT 6500 Manufacturer part number: 6500 UPC: 731413559006 Call for pricing Qty: Buy Now Custom wishlist OK Add to wishlist Add to compare list Email a friend Flexible head design assists in the removal of stubborn O2 sensors that are 7/8'' in diameterrFeatures allow extensions or wrenches to apply force in tight areas, even on seized components.Pivots to allow more angles of placement. Overview Attachments Reviews Flexible head design assists in the removal of stubborn O2 sensors that are 7/8'' in diameterrFeatures allow extensions or wrenches to apply force in tight areas, even on seized components.Pivots to allow more angles of placement.