Screwdriver is an equipment to open or lock by turning the bolt. Manual screwdrivers can cause aching hands, tired and even dislocated because of the twist. From now on use an electric screwdriver from Black and Decker so your homework is more practical. Cordless Screwdrivers without cables are equipped with rechargeable lithium batteries. Electric bolt openers are usually used to install and dismantle household furniture and to repair workshops. This automatic electric screwdriver is equipped with various types of screw and has an average power of 3.6 volts. The screw rotator uses electric power. So, you don't need to spend a lot of energy. Simply push the button then the machine will work turning. The dimensions of the automatic screwdriver are P = 19.8, T = 17.8, L = 8.1 cm and the product weight is 0.635 kg or 635 grams. Because this tool is not so big that it can be used in a narrow area.
There are three types of bolt rotators:
- Cross-eyed flower screwdriver.
- Flat screwdriver or flat-edged plate.
- Screwdriver ostensibly rounded square.