Shank Bit, SDS-Max, 3/4 x 16 x 21-In.

3/4" x 16" x 21", SDS-Max, Shank Bit, 16" Useable Length & 21" Overall Length, Stay Sharper Longer & Deliver More Holes, Used In All SDS-Max Rotary Hammers & All Competitors Hammers Using Te-Y & Te-Fy Shanks, Manufactured To Meet ANSI Standards, Also Meet & Exceed ISO Standards, Wild Bore Head.