This kit contains stainless steel wires for blocking. It includes six wires of 37.5" (95cm), six wires of 19.5" (50cm), three flexible wires of 37.5" (95cm), 20 T-pins, and a measuring tape. 

• Pack of 15 stainless steel wires
• Slip the wire through the edges of your lace project and place pins along the inside of the wires to hold them in place while the lace dries
• All wires are stainless steel and rust resistant

Note: Interlocking blocking mats shown in the image are not included. That product is here.