12"" X 7/16"" UNIVERSAL QUIK-LOK EXTENSION 48-28-1040 THE 7/16"" UNIVERSAL QUIK-LOKEXTENSION HAS AN INNOVATIVE DESIGN THAT FITS ALL 7/16"" SHANKS - WITH OR WITHOUT A POWER-GROOVE. THE UNIQUES DESIGN REQUIRES NO TOOLS TO CHANGE OUT BITS MAKING IT FAST AND EFFCIENT. THESE NEW EXTENSIONS ARE IMPACT RATED FOR MAXIMUM DURABILITY. UL STYLE""MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" FEATURES EXCLUSIVE QUIK-LOKACCEPTS ALL 7/16"" SHANKS. QUICK CHANGE OF BITS NO TOOLS REQUIRED. IMPACT RATED MAKING THIS THE MOST VERSATILE EXTENSION ON THE MARKET. INCLUDES (1) 12"" X 7/16"" UNIVERSAL QUIK-LOK EXTENSION