and high quality Total length: . 80mm(error 3mm) Size: 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mm Shank: 1/4 inch ( 6.35mm ) Colour:Gray-black Material:steel Package Contents: 15 x Socket wrenches Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.