Champion Chisel Works

Champion Chisel, 1 by 4-1/4-Inch Hex Shank Ground Rod Driver - Used for up to 1-Inch Rods.Designed for 30-40lb Class Pavement Breakers.Also known as Jack Hammers, these tools are used for moderate to heavy concrete demolition.All tool measurements are "under the collar".If you are not sure if you have a hammer that takes 1" tools, measure from the collar back to the end of the shank.This measurement should be 4-1/4".