Kit Size: Thread Winding Boards approximately 100mm wide, 100mm long, 5.5mm thick, hole: 2.5mm; Cylindrical Dowel Pin approximately 12x1.5mm; Wire: approximately 21 Gauge. Material: Made from acrylic and durable metal pegs, this jig provides consistent and reliable performance for wire-wrapping projects. Designed for long-term use. Design: Thread Winding Boards come with a protective film. Please carefully remove it before use. The compact, square design is ideal for personal crafting. Multi-function: Can be used to create coils, shapes, and jump rings for jewelry such as earrings, pendants, and other handmade crafts. Suitable for various creative hobbies including scrapbooking and memory keeping. Color: Transparent Material: Acrylic Package Contents: 1 x Thread Winding Board 20 x Steel Cylindrical Dowel Pins 1 x Roll of Metal Wire Note: Only the items listed above are included. Note: Lighting and monitor settings may cause slight variations in color. Measurement error allowance: +/- 1-3cm.