Dewalt DW5816 7/8"X16"X21-1/2" 4-CutteDewalt DW5816 Features Rock Carbide tip maximizes carbide surface contact for longer life Open head design channels more dust out Longer helix increased flute travel expedites dust removal Four flute design additional flutes clean more debris out Additional Information Lead Time 1 2 Weeks Family DeWalt SDS Max Shank Hammer Bits Hazmat N Country of Origin DE Dia. [Nom] 7 8 in Overall Length [Nom] 21 1 2 in Usable Length 16 in Wt. 1. 89 lb