Pizza Cutter & Pastry Lifter (ME)

This is the tool on the left. It has a red plastic handle and a stainless steel rotating wheel blade. It's used for quickly and efficiently slicing baked goods like pizza, flatbreads, or even cutting dough. 

Pastry Lifter / Pie Server: This is the tool on the right. It also has a red plastic handle and a triangular-shaped, flat stainless steel blade. It's designed for lifting and serving slices of pie, cake, pastry, or perhaps pieces of pizza.