The GEARWRENCH Automatic Locking Ratcheting Hose Pinch Off Pliers (Model 145) are a durable and efficient tool for home and garden maintenance. Made of alloy steel, these black hose pliers feature automatic lock functionality for easy use. With a 1-inch diameter and height, these pliers weigh only 0.7 pounds, making them lightweight and easy to handle. The manufacturer offers a 1-year warranty for added peace of mind, making these pliers a reliable choice for various plumbing and gardening tasks.