1.ADJUSTABLE SOCKET WRENCH: Differ from Restrictive Pin-Type Sockets, Universal Socket Wrench Easily Handles High Torques, Firm And Properly Gripping any Nuts and Bolts Within its Continuously Adjustable Size Range. 2.UNIVERSAL SOCKET SET: Maintains Even an Equal Force on All Sides of Fastener Opposing Rounded Corners. Enough to Retract to The Shape of Most Objects. 3.SOCKET WRENCH SET: Grips and Removes Damaged, Rounded-Off and Rusty Nuts and Bolts With Ease. Socket Set can be Applied for Automotive Industry, Household Maintence, Manufacturing Industry, Construction and Other Industries. 4.WIDE ADJUSTABILITY SOCKET WRENCH SET: Replaces Over 30 Sockets from 3/8" to 3/4" and 10 To 19mm. Special Self-Adjustment of This Universal Sockets can Fit any Size or Shapes. Adjusted Immediately to Grasp Most Nuts, Screws, Hooks, Lag Screws, Bolt Heads and Other Odd Shape Fasteners That You Don't Have The Right Tool for.