Product name: tension head, wire rope solving buckle, twine rope stress headMaterial: CopperSpecifications: M6, M8, M10, M12Uses: Suitable for rose table lamps, wind lamps, surface lamps, crystal lamps, candle lamps, dining pendant lamps, bar table lamps, aisle lamps for portray utensils, European lamps, Chinese-style surface lamps,Fishing lamps, cord parts, unfashionable lamps, chandeliers, wall lamps, various DIY lights fixtures, smooth to disassemble and simple to assembleInstructions for use: The length of the metal wire would be instantly adjusted freely. The steel twine might be automatically locked when inserted. It can be pulled up but now not pulled down. Press and preserve the small section on the entrance to adjust the size of the cord rope and loosen the lock.