JET 5-Piece Pin-Free Locking Impact U-Joint Adaptors, Hand/Standard (610902)

5-Piece Pin-Free Locking Impact U-Joint AdaptorsPatented hex ball and socket design eliminates connecting pin for increased safetyBall and socket distributes force evenly for greater torque and longer lifeDrive anvil locks into straight position when flex function is not requiredBlack oxide finish for corrosion resistanceChrome molybdenum alloy steel (Cr-Mo) for exceptional strength and durability