Bosch HC8055 4" x 22" Spline Rotary Hammer Core Bit with Wave Design
•Wave design transfers energy to bit more effectively allows for up to 40 percent quicker drilling versus previous design
•17 In. usable length, maximum core depth of 2-5/8 In.
•Integral shank for better power transmission
•For masonry/concrete drilling
Useable Length 17"