Last time, we talked about how to replace the drill bit of cordless electric tools.Today, we are talking about how to use a Chuck Key.1,nsert the chuck key.If your drill came with a chuck key, you'll need to use this in order to loosen the chuck. The end of the drill key will look like a cog that ha

Our guest in Qiyu County, Japan, Mr. Nakamura, is engaged in DIY business. Recently, he needs to buy a batch of replacement batteries of makita 18V and makita 40V. So let's introduce which kind of electric tools with electric cells can be used to replace batteries with high cost performance and safe