Oxford punch needle sizes:  regular needles are for rug weight yarn to 2-ply worsted weight, fine needles are for even smaller diameter yarns.  Next choose the loop length required and make note of it in the comments section of your order.

     regular or fine size 8 = 1/2" loop length

     regular or fine size 9 = 3/8" loop length

     regular or fine size 10 = 1/4" loop length

     fine size 13 = 3/16" loop length

     fine size 14 = 1/8" loop length