DeWALT 3 16" x 4" x 6 1 2" High Impact Carbide SDS Plus 4 Cutter Bit DW5503B25 25Pk Timber Drive which translates to consistent cut which translates to consistent cut quality and reduced runout in production environments The short series form factor makes this bit an ideal choice for routing operations where deflection is a concern particularly when cutting clean dadoes and grooves in plywood joinery or working with composites that demand precise delivering consistent performance in hard concrete and masonry Professionals drilling high volumes of anchor holes in concrete or masonry benefit from the 25 pack format having 25 bits available means less interruption and fewer trips to resupply during heavy production work