Champion Chisel Works ++++ FITS ONLY DEMOLITION HAMMERS THAT ACCEPT THE MAKITA 8900N SHANK STYLE. ++++ Champion Chisel's Clay Spades are 15" in overall length and have a 4.375" wide blade. They are made with a MAKITA 8900N SHANK STYLE. Clay Spades are effective at breaking through rocky soil and through hard ground to get below the frost line. They are often used for utility work and installation of in-ground swimming pools. Laser etched part numbers for easy identification and a clean finish make this tool look as good as the job it does. This chisel is interchangeable with Bosch, Makita, Milwaukee, and Dewalt as well as any other MAKITA 8900N Power tools on the market. This Ground Rod Driver is made from a hardened and tempered alloy steel for toughness and durability. Please make sure this is the correct shank for your hammer.