An innovation that makes blocking super quick and convenient. Having more than one pin tip, these knit blockers make blocking wide-width projects easier. Anchor holes in each blocker allow you to attach a string along the longer side. which can be pulled to maintain even tension. Made of durable plastic, with rust-resistant pins, these knit blockers help you to expertly finish your projects. Pack of 20 Knit Blockers – 12 Knit Blockers having 8 pins and 8 Knit Blockers having 4 pins.