... •Suitable for Titania and Zirconia oxygen sensors found on most modern vehicles. •Windows and slots enable sockets to be fitted over wiring harness. •7pc set includes the following: •1 x 7/8" x 80mm Deep Socket With 7.7mm Wide Long Groove 1 x 7/8" x 90mm Deep Socket With 20.5mm Wide Long Groove 1 x Offset Square Drive Socket With 8.6mm Wide Full Length Groove 1 x 1.1/16" x 74mm Deep Socket Using A 1/2" Square Drive: 1 x Offset Square Drive Deep Socket 22mm x 49.5mm With 11mm Wide Full Length Groove 1 x 27mm x 85mm Deep Socket With Large Side Viewing Window 1 x 29mm x 90mm Deep Socket With 8.2mm Wide Long Groove