Breeze through your next DIY project with this Stanley Fatmax V20 hammer drill set. With a powerful hammer action of 5,500 BPM and 2.0J impact energy, it tackles tough materials like masonry and concrete effortlessly. Plus, the keyless chuck makes it easier to change bits quickly - handy when you need to go from brick to wood in an instant. And the new improved 4 Ah battery lasts longer and holds its charge even when not in use for a while. Good to know - It's cordless, so you can drill, screw and hammer without being tethered to a socket - The LED light lets you see what you're drilling even in those tricky spots - Its compact and lightweight design makes it easy to handle and carry around - With four operating modes you can adjust how much force it applies to avoid over-driving