Dewalt dt6834 sds max steel tile chisel 80mm length 300mm dewalt dt6834 qz this 80mm steel tile chisel from dewalt is ideal for heavy duty chiselling channelling and demolition tasks in concrete stone medium hardness floor and wall tiles general masonry and mortar this tile chisel features specially toughened steel and micro processor controlled heat treatment which ensures consistent tough bits with long life dewalt dt6834 qz sds max steel tile chisel 80mm length 300mm