4pc 1/4in. Shank Threaded Rod Socket Set
Sizes : 6 | 8 | 10 | 12mm.
Compatible with Power Drills and 19mm Hex Wrenches.
Designed for assembling and disassembling studs,
commonly used to support air conditioning units,
lighting, piping, and cables on ceilings or walls
Prevents damage to the threads.
Self adjustable.