he Grey Pneumatic 4029MD is a 1-inch drive, 29mm metric deep-length impact socket. Constructed from high-quality chrome-molybdenum alloy steel, it features a 6-point design and the GP High Torque Drive, which distributes pressure to prevent fastener rounding and allows for up to 20% more torque. Key specifications for this socket include: Drive Size: 1 inch Socket Size: 29 mm Socket Length: 90 mm (approx. 3.54 inches) Overall Weight: 1.82 lbs