The RYOBI 8” Quick Set Adjust Tongue and Groove Pliers are made of Lime Green Chrome Vanadium Steel with hardened V-Jaw for durability. These pliers feature a quick adjust function and self-locking mechanism for easy operation. With a non-slip grip and high leverage design, they are suitable for various tasks. The adjustable and automatic features make them versatile for different projects, backed by a Limited Lifetime warranty from Ryobi. Perfect for home and workshop use, these pliers offer a reliable and efficient tool for your toolbox.