The BNT-40X is the next generation rebar tying tool. It is lightweight and has a compact, easy to hold, glove-friendly grip. It can tie up to two #6 (20 mm) rebars. The long-life battery will give you over 5000 ties on a single charge. We include an extra battery that can be charging when the tool is in use. The 18V Lithium-Ion power pack quick-charge battery drives the tool’s brushless motors. Each tool comes with two batteries, a quick charger, and four spools of wire in a tough molded plastic carrying case ready to use.