Description: Material: It is product of high hardness steel, which is durable and prevents rust Easy Installation: This bit nut motive force bit is designed to quickly and efficiently tighten or loosen wing nuts, bolts, hooks when installing blinds/panels or performing different projects, and save a lot of time and alter Finish the activity soon Brain hole large open: All the extractors are accurately designed to carry tight and never free your arms The offers excellent The more you turn, the tighter the sleeve is held, which saves you time and soon installs you Easy to Use: Put the Butterfly Nut motive force into an electrical screwdriver to put in the Butterfly Nut/ There is no need to fear about using different hardware tools to sprain your thumb and decrease finger put on Wide use: It can be utilized in 8mm hexagon nut drive and is awfully compatible for installing anti blinds or other goods It can quickly and efficiently fasten or loosen wing nuts, bolts, C fashioned hooks, Q formed hooks, and eye hooks Size Chart: Length: 8cm/3 Package Includes: 1 Wing Nuts Driver Note: Please enable slightly mistakes because of handbook size and diversified screens