Knit Blockers are made using strong plastic with sharp, sturdy, & rust resistant stainless steel pins in two sizes in order to handle different shapes when blocking. The unique design helps maintain even tension across the width of the blocking pins, they even have anchor holes to attach string along large sections which can be pulled and pinned. Rainbow set includes 10 different colors.

Each set includes 20 Knit Blockers
12 blockers with 8 pins, approximately 3" long
8 blockers with 4 pins, approximately 1½" long
All pins have a total height of 1¾" with an exposed pin length of ¾"