Power shears are electric or battery-operated tools designed for cutting various materials, including metal, plastic, and fabric. They feature sharp blades that move quickly to make clean cuts, making them ideal for tasks like trimming sheet metal or crafting. Power shears are often used in construction, automotive repair, and DIY projects. These tools come in different styles, such as straight shears and nibbler shears, each suited for specific cutting needs. Power shears are favored for their efficiency and ease of use, allowing users to complete tasks faster than manual cutting methods. Safety features are typically included to protect users during operation.