Draper storm force cordless hammer drill with 2 x li ion batteries 18v draper 14602 p this cordless hammer drill from the draper storm force range is ideal for use in schools colleges and by the keen diyer supplied with 2 x 18v lithium ion batteries which will deliver superior power and longevity compared to other rechargeables p p it features a 2 speed gearbox with electric brake 16 torque control positions variable speed motor 10mm keyless chuck and both hammer and rotary drilling