Adjustable Sock Blockers, sporting a Spun logo and sold in a pair, may be adjusted at leg, foot, and heel for the perfect fit! They include engraved instructions and may be adjusted approximately from women's size 4 to men's size 13. Adjustable Sock Blockers, made of birch plywood, sourced and assembled in Rhode Island, now have slots instead of holes, allowing the sock blocker pieces to slide once it has been assembled, granting makers precision and flexibility.