Wheeler's Professional 89 Piece Gunsmithing Screwdriver Set has everything included in their 72 piece set PLUS additional 15 "specialty bits". These 15 additional bits include:- Weaver/Ruger Scope Ring Clamp Bit * Redfield Windage Screw Bit- Leupold Windage Screw Bit * Mauser Stock Bolt Bit * Millet Rear Sight Adjustment Bit- 1911 Grip Screw Bushing Driver * Ruger/Colt SA Base Pin Latch Nut Bit- M1/M14/M1A Rear Sight Bit * .062" Pin Punch * .093" Pin Punch * .118" Pin Punch- Remington M870/1100/1187 Trigger Plate Pin Punch * 2 inch #2 Phillips Bit- Glock Replacement Front Sight Screw Bit * S&W Rebound Spring Compressor Tool...– This Professional 89 piece set has all of the above PLUS the 72 piece Basic set.—„It includes two handles made from comfortable overmolded plastic. The first is a regular size handle that's good for most jobs, and the second is a slimmer, shorter "Close Quarters" handle that is good for finesse work with smaller bits. Everything is organized and fits neatly in a durable custom box that's ready for the bench or your range kit. To see more screw driver sets, visit our Wheeler Home Page.