The SBH900M2K-B1 features a powerful motor that delivers up to 1,600 RPM of speed and up to 48,000 BPM of impact force, making it suitable for tough jobs. It also has a 13mm keyless chuck that allows for easy bit changes and a variable speed trigger for precise control. The kit includes a 18-volt lithium-ion battery, which provides long-lasting performance and can be charged quickly u... https://industrywaala.com/product/stanley-brushless-rotary-hammer-sbh900m2k-b1/