- 1" Drive Adapter with Ball - 1" Female x 1-1/2" Male - Material: Chrome molybdenum alloy steel for exceptional durability and strength - Finishing: Phosphate sunk for improved resistance to wear and corrosion - Type: 1" Drive adapter with ball mechanism for a secure fit - Conversion: Converts 1" female drive to 1-1/2" male drive - Standard: DIN 3121 for reliable performance and compatibility