DELTA PICKS (xxxx)
Delta shapes are rooted from an equilateral triangle with arced sides, but become independent with ANY combination of THREE tips. Pointed, Rounded, or Curved, plus ONE of three sizes - Large, Regular, Small.
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P represents a single Pointed tip
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R represents a single rounded tip
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C represents a single curved tip
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The last digit is the size.
L - Large
R - Regular
S- Small