These are the MIP Speed Tip 3-Piece Hex Driver Standard Wrench Inserts.    
                                                                               
FEATURES: Compatible with standard 1/4" hex chuck with adjustable clutch-      
            works with nearly any power drill or screwdriver                   
          Precision CNC ground in house from hardened US tool steel drill      
            blanks                                                             
          Laser marked with the MIP Logo and hex size                          
          Limited lifetime warranty through MIP beginning at date of purchase  
                                                                               
INCLUDES: 3/32"  5/64" and 1/16" Hex Drivers                                   
                                                                               
SPECS:    Length of 3/32" 5/64" Wrenches: 4.3" (110mm)                         
          Length of 1/16" Wrench: 3.5" (89mm)