HapBee WPI and Twist Angle Tool

A spinner's essential companion for unlocking yarn mysteries. This WPI and twist angle tool reveals the true weight and character of unlabeled yarns—whether that forgotten skein is DK, Worsted, Sport, or Fingering. Spinners rely on it to maintain consistency across their work and verify finished singles. Knitters and crocheters use it to decode orphaned balls and plan projects with confidence. Compact, practical, and indispensable for anyone who works with yarn seriously.