4-in-1 kitchen tool set, which typically includes a grater, a peeler, a knife with a cover, and a bottle opener or gas lighter.
Components:
This set features a grater (green), a peeler (light green), and a knife with a cover (blue). The fourth tool appears to be a bottle opener or similar small utensil (pink).
Functionality:
These tools are designed for various kitchen tasks, such as peeling vegetables and fruits, grating cheese or other items, and opening bottles.
Ergonomics:
The tools are often designed for comfortable handling and ease of use, making food preparation more convenient.