... keyless chuck 2)Electric hammer ,230v ,50hz ,0-850 rpm 3)make your work easy and convenient. Cordless drill:, 24V,1200mAh battery ... ,with soft grip. 13mm keyless chuck. With one battery Electric hammer: 230V,50HZ,1050W, φ13mm,0-850RPM.with soft grip. ( function ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Combination tool set P9021A ,Cordless drill +Electric hammer