The Makita 1-1/8 in. Hex Asphalt Cutter is for cutting asphalt and hard ground, not for concrete. The specification are 5 in. wide by 17-1/2 in. long. For use with the Makita and other brand 1-1/8 in. hex Demolition and Breaker hammers.

• Ideal for cutting asphalt and hard ground
  5" wide, 17-1/2" long
  Quality steel construction
  For use with Makita and other brand 1-1/8" hex demolition and breaker hammers
  Not for use in concrete