The 10" SDS-plus Bulldog Xtreme Star Point Chisel Twist is designed with a unique twist shape, which provides less frequent bit jamming. The twist shape delivers a wider material removal footprint for greater productivity than straight point chisels. This self-sharpening tool provides longer life and no additional sharpening hassle. A worldwide leader in accessory manufacturing, An inductive hardening process is used for chisels for high quality and longer life.