You are looking at a OE style replacement set of (2) Front Brake Rotors & Brake Pads , Rear Drums & Shoes and Hardware Kit.  It will fit the following years and models.
2005-2015 Smart Car For two

Kit Includes: 6Pc
2x Part # 34325 34435 45453 BR900626 Front Disc Brake Rotors
1x Part # SCD1252 Ceramic Brand Front Pads 4 Pads 1 Set
2x Part # 1408-284753 80126 Rear Brake Drums
1x Part # 111.09560 B956 Rear Organic Brake Shoes 4 Shoes 1 Set
1x Part # 118.35008 Rear Brake Drum Hardware Spring Kit Both Sides Rear