The Grey Pneumatic 3180R is a 3/4-inch drive x 2-1/2 inch standard length 12-point impact socket designed for high-torque heavy-duty applications. It is manufactured from premium chrome-molybdenum alloy steel to balance high strength with impact durability. Key Technical Specifications Drive Size: 3/4" square drive Socket Size: 2-1/2" fractional / Socket Depth: Standard (short) length Configuration: 12-point design for maximum contact points Material: High-quality chrome-molybdenum (Chro-Moly) steel Finish: Black oxide coating for corrosion resistance Weight: Approximately 3.1 to 3.41 lbs