Stanley 10-813 Quickslide Sport Knife N/A Imported Combination utility and sport knife Standard retractable utility blade on one end - for general purpose cutting 3" stainless steel serrated folding sport blade on the opposite end - for heavy duty cutting Quick utility blade change - no tools required Patented safety feature - only one blade can be opened at a time Features a sliding utility blade for precision cutting With lock back sport knife for tough cutting jobs Quick "no tools" blade change Replace an old blade with any standard Stanley utility or hook blade Patented interlock mechanism