Slip-joint pliers are versatile hand tools used for gripping, twisting, and cutting various materials. They feature two pivot points that allow the jaws to adjust to different sizes, making them suitable for a range of tasks. The adjustable design enables users to work with both small and large objects effectively. These pliers typically have a flat gripping surface and a cutting edge, making them useful in plumbing, electrical work, and general repairs. Their ease of use and adaptability make slip-joint pliers a staple in many toolboxes, appealing to both professionals and DIY enthusiasts alike.