Features: and Widely used: Used for installing and disassembling Hex-head screws and Hex-head Nut, charging drills, hand drills and other tool. Deepening the sleeve without fear of long bolts: More deeply fit and unscrew the Nut, which is convenient and quick. Hex handle slot design: Wide applications or stable clamping without slipping. Concave Hex deepening: It is convenient for the nut to be easily embeds in the sleeve, and the locking screw not slip. Complete specifications: 6-19mm for various specifications. Specifications: Material:Vanadium Steel Type:6mm or 7mm or 8mm or 9mm or 10mm or 11mm or 12mm or 13mm or 14mm or 15mm or 16mm or 17mm or 18mm or 19mm Length:Approx.100mm or 3.93inches Package Includes: 1x Hex Socket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.