The XTrade X0900011 is a 2 Piece Utility Knife Set, one is a Folding Knife and the other has a Retractable Blade.
Retractable Utility Knife Features:

 
Comfortable TPR (Thermoplastic Rubber) grip
 
Easy blade replacement and storage
 
Integrated string and wire cutter

Folding Utility Knife Features:

 
Portable and compact
 
Non-slip comfortable grip
 
Folding design for safety
 
Incorporated belt clip