HL-17 is made in various specific styles for producing shell stitch edge finish of different sizes,and to produce any one of the two different combinations of finishes which include 3 or 6 stitch. 

HL-17L is regularly made in several styles for different stitch range of finish.The finish may be made very elastic or quite firm,and two threads of different colors,materials or sizes,may be employed to produce a great range of effects.