1、[Double Pin Specification] The knitting locking comb set has 8 or 4 pins, so holding your knitting to the blocking mat or board is easier and faster, allowing you to enjoy your knitting. 2、[Easy to Use] Simply place your work on the blocking mat and insert the blocking comb into the edge of the blocking mat to secure it, making your stitching and knitting easy. 3、[Time Saver] Real time saver for blocking your knitting, whether you're blocking your knitting or crocheting baby blanket, your hands will be kept taut, fit, and firmly in place. 4、[Sufficient Quantity] Including 15 pieces 8-pin blocking combs and 10 pieces 4-pin blocking combs, enough quantity for you to use and share to meet your various sewing and knitting needs. 5、[Gift Choice] Our crochet blocker is the ideal gift for knitters, mothers, friends, coworkers and others who enjoy sewing and knitting for their craft fun.