Set includes (1) 3/16" x 6", (1) 1/4" x 6", (1) 5/16" x 6", (1) 3/8" x 6", (1) 1/2" x 6" SDS-PLUS bits Self-centering carbide tip Centering tip features a more aggressive design for faster hole starting Central guiding action engineered for more accurate holes Aggressive head geometry in primary cutter engineered for use in concrete Engineered for reduced vibration 4" usable length For use with Rotary Hammers that accept SDS-PLUS shank bits