This is a useful tool for making granny square, make look pretty and easily attach for larger project 324 holes in total Our knitting board comes with 4 pin 5.86inches long Enough for your knitting need Smooth, without burr Safe to use, do not scratch your hands and countertops The blocking board measure about 19.8x19.8cm / 7.79x7.79in and stand base measure about 8.9x9.9cm, perfect for crocheting and knitting The crochet blocking board is perfect for those who enjoy the fun of crocheting