The DEWALT 12 In. cold chisel shank adds versatility to your rotary hammer so you can work confidently knowing that you always have the right tool for the job. Perfect for chiseling and chipping applications, this shank is compatible with all rotary hammers that accept 3/4 In. hex by 21/32 In. round shanks. The shank i DEWALT DW5834-1ˮ X 12ˮ Cold Chisel SDS Max Shank