This double-sided, wooden blocking board by Opry will uncurl and straighten out your knitted or crocheted work. Thanks to the multiple holes in both sides of the board, you can block any shape you wish. Your work can be fastened to the board easily with the pins that you screw into the holes. The board measures 35 x 35cm and will be supplied with 12 pins and a handy storage bag. The pins measure 12cm long including the 1cm long screw. Extra blocking board pins are available for purchase separately.