HighFree Including Chisels Concrete Demolition Review

【SDS-Plus Drill Bits】Includes - 8 PCS Hammer Drill Bit: 1/4 x 4-inch, 5/16 x 4-inch, 1/2 x 6-inch, 3/7 x 6-inch, 5/16 x 6-inch,9/32 x 6-inch, 1/4 x 6-inch, 3/16 x 6-inch; And 3 PCS Drill Chisel: Tip - 1/2 x 6inch, Flat - 0.82 x 6inch, Flat - 1.55 x 6inch. 【Tungsten Carbide Bits】Carbide tipped head drill bits, features precision cutting tips for quick, smooth cut and finish.They are more stable, harder and more durable, long lasting life. 【U-shaped Flute Design】The wider and deeper U-shaped flute design can cleans debris out fast and reduce bit stress when drilling to make the tools work longer time. 【Grooves on SDS Plus Shank】The shank has four grooves. The smaller grooves fix bit in the chuck.The larger grooves allow bits slipping in the chuck when working, enhancing the drilling torque and hammering energy without skid. 【Wide Application】The SDS-Plus shank is suitable for most rotary hammer drills on the market. These SDS-Plus drill bits are good at drilling hole in granite, marble, stone, concrete, masonry, wall, tiles and cement.