These 12mm and 14mm Le Pro 9 ball cue tips to suit USA style 9 ball cues. Le Professionel (aka Le Pro) tips are an industry favorite, crafted from vegetable-tanned oak leather. The tip has a special protective coating to seal and preserve the leather until the cue is ready to play.Le Pro tips are a "French style" cue tip, made in the USA by Tweeten Fibre. Le Pro tips come standard on many lines of high quality 9 ball cues.Tip Hardness Rating: 76-80/100 Medium-Hard. Size: 12mm, 14mm.(Minimum purchase 10 cue tips of the same size)