The Grey Pneumatic 4025MD is a professional-grade 1-inch drive by 25mm deep metric impact socket. It is specifically engineered for high-torque applications and commonly used by heavy-duty mechanics, technicians, and industrial professionals. Key Specifications Drive Size: 1 inch Socket Size: 25 mm Length Type: Deep length (90 mm total length) Configuration: 6-point hex Material: Chrome-Molybdenum (Cr-Mo) alloy steel