Product Name : Blocking Board With Long Steel Rods, 19Cm, Granny Squares, Crocheting, African Flower, Baltic Birch, Knitters Gift, Knitting Tool You can easily finish your knitted or crocheted patches with Kainor's Blocking Board! The Blocking Board is made of Finnish birch plywood and it's a handy aid for finishing knitted or crocheted patches. For example, blocking Granny squares or African Flowers into their shape can be done easily with the help of the board. Connecting the blocked patches to each other is easier and the work becomes neater. The set includes a blocking board measuring 19.5 cm x 19.5 cm and 10 stainless steel rods, each 12 cm long. The rods are inserted from the top into the blocking board, where they stay securely in place in this 6 mm thick plywood base. The Board also includes a needle gauge for 2-6.5 mm needles and a measuring scale.