This set includes two IRWIN Vise-Grip Fast Release locking pliers. One is a 10WR model with curved jaws for enhanced gripping, and the other is a 6LN model. The "Fast Release" feature allows for quick and easy opening of the pliers, making them efficient for various tasks. These pliers are designed for durability and reliable performance in demanding applications. They are ideal for mechanics, metalworkers, and DIY enthusiasts who require strong and secure clamping.