There are several holes on the weaving card, which is for warp threads to pass through. After the thread is passed through the hole, rotate the card to wrap the warp threads and form a pattern. Made of elected boxwood, these cards are and not easy to be broken, perfect tools for DIY weaving projects. Fine Processed : These weaving cards are produced through fine craftsmanship, making their surfaces smooth and exquisite. Weight & Handling: These wooden cards are light-weight, which is easy to store and handle. A wooden weaving card is a small tool used in DIY weaving. It has holes punched near each corner for warp threads to pass through. Excellent tools for DIY knitting supplies. Size: 5 x 5 x 2 cm / 2 x 2 x 0.8 inch (L x W x H); Style: 4 Holes; Shape: Square; Thickness: 4mm / 0.16 inch; Material: Wood; In the package of: 36pcs x Wooden Weaving Card When storing this product, please keep it away from humid environment to prevent the wooden product from corroding.