LJ Original Wavy Pins. Heavy duty 2.5 inch wavy pins available in Brown, Black or Blonde. From LJ the makers of the original Kirbigrip. LJ Professional 2.5″ Fine Wavy Hairpins x 1000 Features: Colours: Black, Blonde & Brown 2.5 Inch Recycled Spun Steel Patented Designed in the UK Reusable Packaging