Square Wooden Knitting Needle Gauge & Yarn Wrap Per Inch Guide & Crochet Ruler Board, WheatSize: wood 1: about 63.5x63.5x5mm, hole: 2.5mm, slot: 25.5mm wide, 1pc; wood 2: about 63.5x63.5x5mm, hole: 2~12mm, 1pc; wood 3: about 63.5x63.5x5mm, inner diameter: 50x50mm, 1pc; wood 4: about 63.5x63.5x5mm, hole: 5mm, slot: 3~10mm, 1pc; wood 5: abuot 63.5x63.5x5mm, hole: 2.5mm, 1pc; wood 6: about 63.5x63.5x5mm, hole: 5mm and 8mm, 1pc.
