The Knipex 4411J4 internal retaining ring pliers are designed for installing and removing internal retaining rings in bores with diameters ranging from 85 mm to 140 mm. These heavy-duty pliers feature 90° angled tips, providing excellent access in confined spaces. Constructed from chrome vanadium electric steel, oil-hardened for durability, they are equipped with non-slip plastic coated handles for a secure grip. The tips are forged and oil-hardened, ensuring high wear resistance and reliability for professional use. With a total length of 320 mm, these pliers are a robust tool for various industrial and mechanical applications.