Säätöavain

Säätöavain, also known as an adjustable wrench or monkey wrench, is a type of wrench with one fixed jaw and one adjustable jaw. The adjustable jaw can be moved closer to or further from the fixed jaw by turning a screw mechanism, typically located between the jaws. This allows the säätöavain to fit a variety of fastener sizes, making it a versatile tool in many applications.

The design of the säätöavain enables it to grip hexagonal nuts and bolts of different dimensions. The jaws are usually parallel, and the wrench is used by placing the jaws around the fastener and turning the handle. When force is applied, the jaws grip the fastener, allowing for tightening or loosening. It's important to ensure the adjustable jaw is securely set to the fastener size to prevent slipping and potential damage to the fastener or injury to the user.

Säätöavaimet are commonly found in toolboxes for both professional tradespeople and DIY enthusiasts. They are used in plumbing, automotive repair, general maintenance, and construction. While versatile, they may not be ideal for all situations. For very tight spaces or when a precise grip is needed without the risk of slippage, other types of wrenches like socket wrenches or open-end wrenches might be preferred. The quality of a säätöavain can vary, with higher-quality tools offering smoother adjustment and more durable construction.