TR Industrial Asphalt Cutter Chisel, TR-One Shank for TR Industrial TR-100 and TR-300 Series Demolition Jack Hammers Compatible with these TR Industrial Demolition Hammers accepting TR-One shank: TR-100 Series (TR89100, TR89105) and TR-300 Series (TR89300, TR89305, TR89307). This bit does not fit Makita, Milwaukee, Bosch, Dewalt or Hitachi hammers Cut asphalt and hard ground (not for use with concrete) Enhance your demolition and chiseling job with this asphalt cutter chisel Made with high-grade forged and heat treated steel for maximum durability 4-3/4 in. wide