Knit Pro Blockers to finish your garment with ease. Pack of 20 Knit Blockers ~ 12 blockers with 8 pins and 8 blockers with 4 pins Ease of handling the blockers substantially speeds up blocking. Ideal working on blocking straight edges like sweaters, shawls and scarves. Anchor holes in each blocker allows the user to attach string along large sections which can be pulled and pinned to maintain consistent tension. Made using tough plastic with embedded sharp, sturdy & rust resistant stainless steel pins Two different sizes to manage different shapes when blocking.