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JM’s JM’s It’s a Boy/It’s a Girl –

The JM’s It’s a Boy/It’s a Girl – line from JM’s has 2 sizes listed, from 140 to 140 mm long and from a 42 to a 42 ring gauge.

Sizes side by side

VitolaSizeLengthRing gaugeStrength
JM’s It’s a Boy/It’s a Girl – GirlCorona140 mm42Mild to medium
JM’s It’s a Boy/It’s a Girl – BoyCorona140 mm42Mild to medium