The SDS Max chisels are ideal for heavy-duty chiselling, channelling, and demolition tasks in concrete, stone (medium hardness), floor and wall tiles, general masonry and mortar.This SDS max steel clay spade is made from specially toughened steel which ensures tough bits and micro-processor controlled heat treatment providing for consistently tough, long-life. The DEWALT DEWDT8090QZ has the following dimensions:Width: 110mmLength mm: 400mm